Addresses Delivered at the Triennial Celebration ..., Volumes 18-231879 |
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Page 72
... trains on the Erie road , and it was then considered a dangerous experiment . Trains were often detained for hours through failure of the telegraph , and in one instance a train was delayed for a week while waiting to receive ...
... trains on the Erie road , and it was then considered a dangerous experiment . Trains were often detained for hours through failure of the telegraph , and in one instance a train was delayed for a week while waiting to receive ...
Page 75
ning of a section , so that if a train enters on a section , the engineer sees the signal move from safety to danger . As the train moves from sec- tion to section and finds the signals at safety , and turning promptly to danger on its ...
ning of a section , so that if a train enters on a section , the engineer sees the signal move from safety to danger . As the train moves from sec- tion to section and finds the signals at safety , and turning promptly to danger on its ...
Page 54
and re - winds and re - sets the mechanism for the next train , while at the same time the gates are rising , so that when the train has passed the crossing is open to the public . A very interesting problem for such a gate arises when ...
and re - winds and re - sets the mechanism for the next train , while at the same time the gates are rising , so that when the train has passed the crossing is open to the public . A very interesting problem for such a gate arises when ...
Contents
SUBJECT | 4 |
Discussion on the paper presented at | 11 |
A WELLINGTON | 55 |
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acid alizarine amount angle aniline apparatus ARTS was held boiler Boston bridge building canal cent channel cholera circuit color columns connected construction cost cotton cylinder deflection diameter dynamometer Edward Atkinson effect electric engine experiments feet fibre fire glass harbor heat inches increased Institute instrument introduced invention iron Komotau lactic acid lamps length light load machine manufacture material measure meeting metal method miles mill minutes Mystic River naphtha Nicaragua obtained pass pintle pipe plates pounds practical present President pressure produced Prof Professor Rogers pulley pump railway signals rest revolutions per minute River roof Sectional area sewage sewers shown side signal SOCIETY OF ARTS sprinklers square inch steam steam engine steel strength surface temperature tests tion train tube upper harbor valve vessel vibration weight WHITE OAK wire yellow pine