Science, Volume 89, Issues 2297-2322John Michels (Journalist) 1939 |
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Page 39
... film storage of considerable importance . I venture , therefore , to describe a simple and inexpensive method for filing films of the smaller sizes . Film negatives of 35 - millimeter size are in my experience more easily handled in the ...
... film storage of considerable importance . I venture , therefore , to describe a simple and inexpensive method for filing films of the smaller sizes . Film negatives of 35 - millimeter size are in my experience more easily handled in the ...
Page 40
... Film strips of any of the smaller sizes can be kept in the envelope described above . In a No. 10 envelope any width of film up to 34 inches can be accommo- dated . Envelopes containing films of different widths may of course be filed ...
... Film strips of any of the smaller sizes can be kept in the envelope described above . In a No. 10 envelope any width of film up to 34 inches can be accommo- dated . Envelopes containing films of different widths may of course be filed ...
Page 61
... films of this substance are soaked in a solvent for stearic acid , the film is left as a skeleton of barium stearate , with air filling the spaces previously occupied by the stearic acid . If a film has initially a refractive index n1 ...
... films of this substance are soaked in a solvent for stearic acid , the film is left as a skeleton of barium stearate , with air filling the spaces previously occupied by the stearic acid . If a film has initially a refractive index n1 ...
Contents
Stevens John Frank Award of Hoover Medal | 5 |
ALEXANDER J Science in the Old South | 12 |
Leaves Transpiration Rate of H B SMITH 268 | 16 |
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