Journal of the Franklin Institute, Volume 80; Volume 110Franklin Institute, 1880 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Results 1-5 of 72
Page 2
INS . SCALE . Ft . DIAM . OF PULLEY . 24 " TOP VIEW α. BELT DYNAMOMETER SIDE ELEVATION END VIEW HANGERS REMOVED Ο 11.72 12.19 ! OH 36 " 272 < 7.846 Briggs - Belt Dynamometer . [ Jour . Frank . Inst .
INS . SCALE . Ft . DIAM . OF PULLEY . 24 " TOP VIEW α. BELT DYNAMOMETER SIDE ELEVATION END VIEW HANGERS REMOVED Ο 11.72 12.19 ! OH 36 " 272 < 7.846 Briggs - Belt Dynamometer . [ Jour . Frank . Inst .
Page 4
... side of the belt is abnormally tightened , while the other side becomes correspondently loose , and the difference of strain between . the two sides becomes the measure of the force transmitted at some given velocity . In the ...
... side of the belt is abnormally tightened , while the other side becomes correspondently loose , and the difference of strain between . the two sides becomes the measure of the force transmitted at some given velocity . In the ...
Page 5
... sides of the belt must amount to 47 · 4 pounds per inch of width , while the actual maximum strain on the tight side of the belt cannot be less 56 to 60 pounds , and may much exceed that value if the normal strain rises above 40 or 42 ...
... sides of the belt must amount to 47 · 4 pounds per inch of width , while the actual maximum strain on the tight side of the belt cannot be less 56 to 60 pounds , and may much exceed that value if the normal strain rises above 40 or 42 ...
Page 15
... Pennsylvania Central Railroad in September , 1849 . OLD IRON SIDES 1932 . Old Ironsides , 1832 . MW.BALDWIN 1634 M. W. Balduin , 1837 . LIGHTNING Lightning , 1849 . Governor Paine , 1849 . July , 1880. ] 15 Le Van - High Railway Speeds .
... Pennsylvania Central Railroad in September , 1849 . OLD IRON SIDES 1932 . Old Ironsides , 1832 . MW.BALDWIN 1634 M. W. Balduin , 1837 . LIGHTNING Lightning , 1849 . Governor Paine , 1849 . July , 1880. ] 15 Le Van - High Railway Speeds .
Page 17
... sides of the boiler , over the bearings of the driving axle , by which the weight on the drivers could be varied from three to twelve tons . The 7 - foot drivers were cast with chilled rims and were of extremely light pattern ; in fact ...
... sides of the boiler , over the bearings of the driving axle , by which the weight on the drivers could be varied from three to twelve tons . The 7 - foot drivers were cast with chilled rims and were of extremely light pattern ; in fact ...
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acid Anthracite apparatus battery bobbin boiler bone oil carbon carbonic acid cent chamber coal gas combustion compression constructed containing cubic cylinder diameter dimensions drawing-roller dy dz dynamo-electric effect elastic elastic limit electric light employed experiments feet fibres Franklin Institute furnace gases gills give heating surface horizontal horse-power hour increase ingot iron jute length locomotive machine magnet manganese matter means mechanical ment metal metric metric system miles miles per hour millimetre minute motion nuts obtained ordinary oxide oxygen paraffine Patents Perkins Engine phosphorus pins piston placed plate pound of coal pounds per square practical pressure produced proportion quantity Rendus resistance revolutions per minute rollers screws selenium shaft shell side silica slag sliver speed square inch steam dome steam engine steel strain Sulphur temperature tion tons tubes valve vaporized velocity vertical vessel weight wheels wire