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who shall invent and discover to the Society 5 method, verified by actual experiments, of increasing the quantity or force of steam, in steam-engines, with less fuel than has hitherto been enuployed, provided that in general the whole amount of the expenses in using steamengines may be considerably lessened; the gold medal, or thirty guineas. To be communicated to the Society on or before the first #. in January, 1805. 97. Substitute For TAR. To the person who shall invent and discover to the Society the best substitute for Stockholm tar, equal in all its properties to the best of that kind, and repared from materials the produce of Great#. ; the gold medal, or one hundred guineas. A quantity of the substitute, not less than one hundred weight, with certificates that at least one ton has been manufactured, and that it can be afforded at a price not exceeding that of the best foreign tar, together with an account of the process, to be delivered to the Society on or before the first Tuesday in March, 1805. 98. Prep An Ation of TAN. To the person who shall prepare in the most concentrated form, so as to be easily portable, and at a price applicable to the purposes of manufactures, the largest quantity, not less than one hundred weight, of the principle called by the French tannin, which abounds in oak-bark and many other vegetable substances; the gold medal, or fifty guineas. Certificates of the superior quality of the quantity so prepared, and a sample of not less than 28lb. to be produced to the Society on or before the last Tuesday in January, 1805. 99. INDELIBLE INK. To the person who shall discover to the Society, a method of making a black ink proper for writing, superior to any at present known, iudestructible by che mical applications, and not dearer than that which is now in common use ; the silver medal or fifteen guineas. Certificates that not less than two gallons of such ink have been actually prepared and found to possess the qualities above mentioned, with a full detail of the process of making it, and two quarts of the ink, to be delivered to the Society ou or before the second Tuesday in January, 1805. 100. I'RE PAR Arion of A R F D SrAIN for Corton Clotii. To the person who shall communicate to the Society, the cheapest and most citectual method of printing or staining cotton cloths with a red colour, by an immediate application of the colouring-matter to the cloth, equally beautiful and durable with the red colours now generally procured from decoctions of madder; the gold medal, or thirty guineas. Certin cates that the above process has been advantageously used on ten pieces of calico, each twenty-one yards or upwards in length, jiie piece of the calico, st printed, a

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102. Substitute for THE BAs is of PAINT. To the person who shall produce to

the Society the best substitute, superior to any hitherto known, for the basis of paint, equally proper for the purpose as the white lead now employed; such substitute not to be of a noxious quality, and to be afforded at a price not materially higher than that of white lead; the gold medal, or one hundred guineas. A quantity of the substitute, not less than 50lb. weight, with an account of the process used in preparing it, and certificates that at least one hundred weight has been manufactured, to be produced to the Society on or before the first Tuesday in January, 1805. 103. Red Pig MENT. To the person who shall discover to the Society a full and satisfactory process for preparing a red pigment, fit for use, in oil and water, equal in tone and brilliancy to the best carmines and lakes now known or in use, and perfectly durable; the gold medal, or thirty guineas. One pound weight of such colour, and a full disclosure of its preparation, to be produced to the Society on or before the first Tuesday in Feb. 1805. N. B. It is not required that the colour should resist the action of fire or chemical applications, but remain unaltered by the coinmon exposure to strong light, damps, and noisome vapours. 104. UltrAMARINE. shall prepare an artificial ultramarine, equal in colour, brilliancy, or durability, to the best prepared from lapis lazuli, and which may be afforded at a cheap rate; the gold medal, or thirty guineas. The conditions are the same as in the preceding premium for the red pigment. 105. ANALysis of BRitish MiNERA is. To the person who skall communicate to the Society, the most correct analysis of any mineral production of Great-Britain, hitherto either unexamined, or not examined with accuracy; the gold medal. The analysis and suificient specimens to be produced to the Society. on or before the first Tuesday in Jan. 1805. 106, Št ATUARY MARBLE, To the person

To the person who

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who shall discover, within Great-Britain or Ireland, a quarry of white marble fit for the

purposes of statuary, and equal in all respects

to those kinds now imported from Italy; the gold medal, or one hundred pounds. A block of at least three feet in kength, two in height, and two in width, with an account of the situation of the quarry, and certificates of its possessing considerable extent, to be produced to the Society on or before the first Tuesday in February, 1805.

N. B. In order to prevent useless expense or trouble to the claimant in forwarding so large a block, the Society will be ready to examine any smaller specimen of the marble, and express their opinion of its value to the candidate before the block required by the above premium is produced.

107. REPARATIon of Sulphu Ric Acid from Sulphur without THE Use of ANY Nitaic SALT, To the person who shall prepare the largest quantity (not less than one ton) of sulphuric acid from sulphur, without any nitric salt, of a specific gravity, not inferior to the best sulphuric acid of commerce ; the gold medal, or fifty guineas. Certificates

that not less than the above quantity of such

an acid has been prepared, together with a sample, to be produced to the Society on qr before the first Tuesday in January, 1805. 108, Paepa RATIon of ANY ALKALINE or EARTHY NITRATE. To the person who shall prepare, in Great-Britain, the largest quantity, not less than one hundred weight, of any salt of nitric acid, with either earths or alkalies, by a method superior to and as cheap as those hitherto practised; the gold medal, or one hundred guineas, Certificates of the above quantity having been prepared, and a sample of not less than 281b, to be produced to the Sogiety on or before the last Tuesday in January, 1805, 109, FINE BAR-Iron. To the person, in Great-Britain, who shall make the greatest quantity of bar-iron, not less than ten tons, with coak, from coak-pigs, equal in quality to the best iron imported from Sweden or Russia, and as fit for converting into steel; the gold medal, or fifty guineas. Samples, not less than one hundred weight, with certificates that the whole quantity is of woual quality, to be produced to the Society on or before the first Tuesday in January, 1805. 110. PREs ER v ING Inox from RUST. To the person who shall invent and discover to the Society a cheap composition, superior to any now in use, which shall effectually preserve wrought iron from rust, the gold medal, or fifty guineas. A full description of the method of preparing the composition, with certificates that it has stood at least two years unimpaired,

being exposed to the atmosphere during the

whole time, to be produced to the Society,

with ten pounds weight of the composition, wn or before the first Tuesday in January, 1805. 111. REFINING Block-TIN. To the person who shall discover to the Society the best method of purifying or refining block-tin, so as to render it fit for the finest purposes to which grain-tin is now applied, and not higher in price; the gold medal, or fifty guineas. Certificates that not less than three tons have been so refined or purified, with a full detail of the process, and a quantity, not less than one hundred weight, of the tin so refined, to be produced to the Society on or before the first Tuesday in January, 1805. 112, GLAz1N G EARTHEN-WARE- witHout LEAD. To the person who shall discover to the Society the chcapest, safest, most dura. ble, and most easily fusible, composition, fit for the purpose of glazing the ordinary kinds of earthen-ware, without any preparation of lead, and superior to any hitherto in use; the gold medal, or thirty guineas. Specimens of the ware so glazed, with proper certificates of its having succeeded, and a sample of the materials made use of, to be produced to the Society on or before the first Tuesday in Feb. 1805. 113. Refix ING Coppe R FROM THE ORE. To the person who shall discover to the So, ciety the best method of separating, purifying, and refining copper from the ore, so as to render it fit for the finest purposes to which fine copper is now applied, and by a process superior to any hitherto known or in use, and not higher in price; the gold medal, or fifty guineas. Certificates that not less than three tons have been so prepared or refined, and a quantity not less than one hundred weight of the copper so refined, to be produced to the Society on or before the first Tuesday in Feb. 1805. 114. MINERALogical MAP or ENGLAND AND WALEs. To the person who shall complete and publish an accurate mineralogical map of England and Wales, on a scale of not less than ten miles to an inch, containing an account of the situation of the different mines therein, and describing the kinds of minerals thence produced; the gold medal, or fifty guineas. Certificates of the accuracy of such inap, together with the map, to be produced to the Society on or before the first Tuesday in February, 1805. The map to remain the property of the Society, , , 115, MiNERALogical, MAP of In ELAND.

The same premium is offered for a mineralogi

cal map of Ireland, on similar conditions. 116. MIN FRA1.og IgAL MAP of Scot1.A.N.D. The same premium is offered for a mineralogical map of Scotland, on similar conditions. 117. NATURAI. Histony. To the author who shall publish, in the year 1804, the uatural history of any county in England or Wales; the gold medal, or fifty guineas. It is required that the several natural productions,

whether animal, or vegetable, or mineral, peculiar to the county, or found therein, be carefully and specifically arranged and described, in order that the public may be enabled to judge what arts or manufactures are most likely to succeed in such county. The work to be delivered to the Society on or before the last Tuesday in January, 1805.

PREMIUMS IN POLITE ARTS.

118. How of ARY PR EMI UM's Fon DRAw1No, by Noarlity, For the best original drawing, of any kind, by young gentlemen under the age of twenty-one, sons or grandsons of peers, or peeresses in their own right, of Great-Britain or Ireland, to be produced on or before the first Tuesday in March, 1805; the honorary medal of the Society in gold. 119. The same in silver for the best copy, 120, 121. The same premiums will be given, on the like conditions, to young ladies, daughters or grand-daughters of peers, or peeresses in their own right, of Great-Britain or Ireland. 122. Honor ARY PR FM 1u Ms for Dr Aw1N G, by GentleMEN. For the best original drawing, of any kind, by young gentlemen under the age of twenty-one; to be produced on or before the first Tuesday in March, 1805; the gold medal. 123. For the best copy, the silver medal. 124, 125. The same premiums will be given for drawings by young ladies. N. B. As the foregoing honorary premiums are intended only for such of the nobility and gentry as may hereafter become patrons or patronesses of the arts; persons professing any branch of the polite arts, or any business dependent on the arts of design, or the sons or daughters of such persons, will not be admitted candidates in these classes. 126. Drawings of OutLINEs. For the best outline, after a cast, in plaster, of the Venus de Medicis, by persons of either sex, under the age of sixteen, the figure not less than eighteen inches; to be produced on or before the last Tuesday in February, 1805; the greater silver pallet. 127. For the next in merit; the lesser silver pallet. .128. DRAwi Ngs of LANDscAres. For the best drawing in water-colours of a landscape after nature, not less than eighteen inches by twelve, by persons of either sex, under twenty-one years of age, to be produced on or before the last Tuesday in February, 1805; the gold pallet. 129. For the next in merit, the greater silver pallet. Each candidate must mention, on the front of the drawing, whence the view was taken. 130. Historical DRA wings. For the best historical drawing, being an original com

position, of five or more human figures; the
height of the principal figure not less than
eight inches; to be produced on or before the
third Tuesday in Feb. 1805; the gold pallet.
131. For the next in merit; the greater
silver pallet.
132. DRAw ING AND ENGRAvrnd. To
the person who shall complete the best original
drawing and engraving. The design and en-
graving to be executed by the same artist, and
produced to the Society on or before the first
Tuesday in February, 1805; the gold medal.
It is required that the drawing and two in-
pressions of the engraving be produced, and
remain the property of the Society.
133. LINE ENGRAv1N Gs of LANDsc Apes.
For the best line engraving of a landscape,
published in the year 1804, the size of the en-
graving not less than eighteen inches by four-
teen; the gold medal. To be produced to
the Society on or before the last Tuesday in
January, 1805; and the impression to which
the premium is adjudged to remain the pro-
perty of the Society.
134. For the next in merit; the silver me-
dal, on similar conditions.
135, LINE ENGRAvi Ncs of Historical
Schjects. For the best line engraving pub-
lished in the year 1804, of an historical sub-
ject, the size of the engraving not less than
eighteen inches by fourteen; the gold medal.
136. For the next in merit; the silver
medal. Conditions, &c. the same as in classes
133 and 134. -
137, 138, 139, 140. The same premiums
are extended one year farther. -
N. B. It is not necessary in the classes of
line engravings, for the artist's name to be con-
cealed. The first aquafortis proof of the above
plates are required to be sent in with the
finished impression, and certificates that the
etchings are the entire work of the candidate,
The aquafortis proof also to remain the pro-
perty of the Society. - *
141. Mod EL IN CLAY or PlastER.
For the best model in clay or plaster of an
ornamental design for the purpose of embel-
lishing works of architecture; the silver medal
or twenty guineas. To be produced to the So-
ciety on or before the last Tuesday in January,
1805. The model not to be less than thirty
inches by twelve. -
142, PERspective Dr Awisgs of MA-
chines. ‘For the best perspective drawing of
machines by persons under twenty-one years
of age ; the greater silver pallet. To be pro-
duced to the Society on or before the last Tues-
day in January, 1805.
143. For the next in merit; the lesser
silver pallet, on similar conditions,
144, ENGRAvi Ng on Wood, on METAL
Blocks, &c. For the best engraving on
wood or metal blocks, or any other material,

so that the same be rendered capable of composition with the letter-press, of any allegorical or other subject suited to the embellishiuent of letter-press, the gold pallet. 145. For the next in merit, the greater silver pallet. Two or more impressions along with the block to be produced to the Society on or before the first Tuesday in February, 1805. The impressions, but not the block, to remain the property of the Society. 146. Bronzes. For the best drapery figure or group cast in bronze ; if a single figure, not less than twelve inches high ; and, if a group, not less than nine inches ; and which will require the least additional labour to repair; the gold medal, or the silver medal and - twenty guineas. The cast to be exhibited to the Society before it is begun to be repaired, with the original figure or group, on or before the first Tuesday in February, 1805, together with a full explanation of the whole process. 147. ORNAMENTAL DRA win Gs for Artchitectur Al Designs. For the best ornamental drawing for the purpose of embellishing architectural designs ; a silver medallion with the following engraved inscription: The Premium given by the Society for the Encouragement of Arts, Manufactures, and Commerce, in conformity to the Will of John Stock, of Hampstead, Esq. . The drawing to which the premium is adjudged to remain the property of the Society; and to be produced to the Society on or before the second Tuesday in February, 1805.

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PREMIUMS FOR ENCOURAGING AND * IMPROVING MANUFACTURES. 148. MACHINE for cARDING SILK. For the best machine, Superior to any now in use, for carding waste silk equally well as by hand; to be produced, together with a specimen of the cardings, on or before the first Tuesday in November, 1804; the silver medal, or twenty guineas. 149. Cloth from Hop-stalks, &c. To the person who shall produce to the Societ the greatest quantity, not less than thirty so of cloth at least twenty-seven inches wide, made in Great-Britain, of hop-stalks or bines, or other raw vegetable substances, the produce of Great-Britain or Ireland, superior to any hitherto manufactured from such substances, and which can be generally afforded as cheap as cloth of equal quality and appearance now made from hemp, flax, or cotton, and much finer in quality than any hitherto manufactured in Engländ from hop-stalks, &c. the gold medal, or thirty guineas. One pound of the thread of which the cloth is made, and thirty yards of the cloth, together with proper certificates that the whole is manufactured from hop-stalks or bines, &c. to be produced to the

Society on or before the first Tuesday in December, 1804. N. B. The Society is already in the possession of cloth made in England from hop-stalks or bines, which may be inspected by application to the Housekeeper. 150. Wicks For CAN DI. Es or LAMPs. To the person who shall discover to the Society a method of manufacturing hop-stalks or bines, or any other cheap material, the growth of Great-Britain, so as to render them equally fit for the purpose of supplying the place of cotton, for wicks of candies or lanups; twenty guineas. Samples, not less than five pounds weight, of the wick so prepared. to be produced to the Society, with certificates that the whole quantity is equal in quality to the sample, on or before the second Iuesday in Jan. 1805. 151. PAPER FROM RAw v PG En ApH.H. Subst ANces. To the person, in Great-Britain, who shall, between the first of January, 1804, and the first of January, 1805, make the greatest quantity, and of the best quality (not less than ten reams), of good and useful paper, from raw vegetable substances, the produce of Great-Britain or Ireland, of which one hundred weight has not been used in manufacturing paper previous to January, 1803, superior to any hitherto manufactured from such substances, and which can be generally afforded as cheap, as paper of equal quality and appearance now made from rags; twenty guineas. N.B. The object of the Society being to add to the number and quantity of raw materials used in this manufacture, it is their wish to include every useful sort of paper, and to introduce such natural products as can be easily and cheaply procured in great quantities. The Society are in possession of two volumes containing a great variety of specimens of paper made from raw vegetable substances, viz. – nettles, potatoe-haum, poplar, hop-bines, &c. which volumes may be inspected by any person on application to the Housekeeper. Certificates of the making such paper, and one ream of the paper, to be produced on or before the last Tuesday in January, 1805. 152. TRANSPARENT PAPER. To the person who shall discover to the Society a method of making paper from the pulp that shall !e perfectly transparent, and of a substance and body equal to foolscap, that shall take and bear common writing ink with the same facility and correctness as writing-paper generally in use; the silver medal, or twenty guineas. Certificates of the making such paper, an account of the process, and one ream of the paper, to be produced on or before the second Tuesday in January, 1805. 153. CHINTs PATTERN's roR CA1.1coPRINTERs. For the best original pattern in a new taste, of light or dark-ground chints for garment-work, fit for the purposes of caligoPointers, by persons of either sex; the gold medal. To be produced to the Society on or belose ulie second Tuesday in January, 1805; the pattern to which the premium is adjudged to remain the property of the Society. 15 1. For the next in merit ; the silver medal, on similar conditions. 153. Corp E it-ri. At E. l'A Tor 1. Ns for CALico-PR IN rers. For the best pattern, in a new style, fit for the purposes of calico-printers for garment-work; the silver medal. To be roduced to the Society on or before the second K. in January, 1805. The pattern to which the premium is adjudged to remain the property of the Society. —omPREMIEMS IN MECHANICs. 156. Gu NPowden-Mrlls. To the person who, in the year 1804, shall invent and bring to perfection the most effectual method of so conducting the works of gunpowder-mills, in the business of making gunpowder, as to prevent explosion; the gold medal, or one hundrcd guineas. Certificates and secounts of the method having been put in practice in one or more gunpowder-uills in this kingdom, aud that it promises, in the opinion of the best judges concerned in such works, to answer the purpose intended, to be produced to the Society on or before the first Tuesday in Feb. 1805. N. B. As an encouragement to persons to turn their thoughts to improvements of this nature, if any should be made on the present method of conducting the business of gunpowder making, which fall short of the total prevention of explosion, and they are sent to the Society for the sake of humanity, the papers so sent in will receive due consideration, and such bounty or reward will be bestowed thereon as they appear to merit. iš7. To Assir-IsstruMENT. To the person who shall invent and produce to the Society a cheap and portable transit-instrument, which may easily be converted into a zenith-sector, capable of being accurately and expeditiously adjusted, for the purpose of finding the latitudes and longitudes of places, and superior to any portable transit-instrument now in use ; the gold medal, or forty guineas. - To be producedonor before the last Tuesday in Jan. 1895. 158. TAKING WHALEs by the GUN-HARroox. To the person who, in the year 1804, shall strike the greatest number of wilales, not fewer than three, with the gun-harpoon; ten uineas. Proper certificates of the striking such whales, and that they were actually taken in the year 1804, signed by the master, or by the mate when the claim is inade by the master, to be produced to the Society on or before the last Tuesday in December, 1804. 159. FAM11.x Mill. To the person who shallinvent and produce to the Society the best

constructed mill for grinding corn tor the use of puvate families, or parish-poor ; the construction to be such as to render the working of the militasy and expeditious, and superior to any hitherto in use; the gold medal, or thirty guineas. The mill, and certificates of its having been used to good effect, to be produced to the Society on or before the first Tuesday in Feb. 1805. Cheapness and simplicity will be considered as essential parts of its merit; and the mill, or the model, to remain with the Society. 160. MiAciiiN E For RAIsiNG CoA is, Ohio, &c. &c. To the person who shall invent a machine for raising coals, ore, &c, from mines, superior to any hitherto known or in use, and which shall produce the effect at a less expense

than those already known or in use; the gold

medal, or fifty guineas. A model of the inachine, made on a scale of not less than one inch to a foot, with a certificate that a machine at large on the same construction has been advan. tageously used, to be produced to the Society on or before the second Tuesday in Feb. 1805. 161. Ixiproved WALKING-WHEEL or CRAN e. To the person who shall invent an improved walking-wheel or crane, on which the weight and power of any person or persons shall be applied with the greatest safety and effect, and so contrived that the power can be varied according to the greater or lesser weight to be raised or lowered; the gold me. dal, or thirty guineas. The model, on a scale of not less than one inch to a foot, with a proper certificate that the machine at large has been employed to good effect, to be produced to the Society on or before the second Tuesday in February, 1805, 162. Machise for Raisint, Waton! To the person who shall invent a machine on a better, cheaper, and morosimple construction than any hitherto known or in use, for raising water out of wells, &c. from a depth of not less than fifty feet; the gold medal, or forty guineas. Certificates of the performance of the machine, and a model of it, on a scale of not less than one inch to a foot, to be produced to the Society on or before the first Tuesday in February, 1805. 163. ELM Pipes. To the person who shall invent and discover to the Society a substitute for the elin pipes now in common use for the conveyance of water, which shall be cheaper, equally effectual, and more durable than any heretofore employed; the gold medal, or thirty guineas. It is required that one of the pipes so employed, an accurate account of the method used, and every expense attending it, together with satisfactory accounts of its being effectual, be delivered to the Society on or before the second Tuesday in January, 1805. 164. Extinguish INo FIREs. To the person who shall produce to the Society the best and most effectual method of procuring an imme

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