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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Page 55
... compression and extension , tension and bending , wants uni- formity more than any other property . If one bad member is con- tained in a structure the strength and homogeneity of the whole is of no avail . For many purposes in ...
... compression and extension , tension and bending , wants uni- formity more than any other property . If one bad member is con- tained in a structure the strength and homogeneity of the whole is of no avail . For many purposes in ...
Page 83
... compression of the steam , thereby reducing the power of the steam engine whenever the attempt is made to cut off early in the stroke with a single valve has led engineers to devise double valve motions which will effect an early cut ...
... compression of the steam , thereby reducing the power of the steam engine whenever the attempt is made to cut off early in the stroke with a single valve has led engineers to devise double valve motions which will effect an early cut ...
Page 110
... compression is effected by the machinery in the Arsenal , by permission of the authorities , who have also consented to Colonel Beaumont carrying out his experiments there , seeing that the principle will find an important application ...
... compression is effected by the machinery in the Arsenal , by permission of the authorities , who have also consented to Colonel Beaumont carrying out his experiments there , seeing that the principle will find an important application ...
Page 126
... compression between rollers and turned smooth inside . The iron ball was then drawn up by a wire attached and luted by silicate of soda and fine manganese dioxide . It was expected that the pressure would only serve to make the closing ...
... compression between rollers and turned smooth inside . The iron ball was then drawn up by a wire attached and luted by silicate of soda and fine manganese dioxide . It was expected that the pressure would only serve to make the closing ...
Page 144
... Compression of Air by the Experiments on the Strength of Yellow Pine . The Absolute Economy of Electric Lighting . By Robert Briggs , C.E .......... Direct Action of Water . By J. P. Frizell , C.E .. By Prof. R. H. Thurston ....... 145 ...
... Compression of Air by the Experiments on the Strength of Yellow Pine . The Absolute Economy of Electric Lighting . By Robert Briggs , C.E .......... Direct Action of Water . By J. P. Frizell , C.E .. By Prof. R. H. Thurston ....... 145 ...
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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