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 53
Page 4
... equal but opposite angles for both the upper and lower belt . The indicator , attached to the carrier frame , will then be in the straight line between the centre of the main pulleys , and will coincide with the pointer attached to the ...
... equal but opposite angles for both the upper and lower belt . The indicator , attached to the carrier frame , will then be in the straight line between the centre of the main pulleys , and will coincide with the pointer attached to the ...
Page 7
... equal intervals , and these twenty exhausts divide a second into twenty equal parts , each puff having a twentieth of a second between it and that which precedes and follows it . The ear , like the eye , is limited in the rapidity of ...
... equal intervals , and these twenty exhausts divide a second into twenty equal parts , each puff having a twentieth of a second between it and that which precedes and follows it . The ear , like the eye , is limited in the rapidity of ...
Page 31
... equal time . Another injurious result is that the cool infiltered air , after absorbing heat from the gases of combustion , passes out with them at the same chimney tem- perature ; the loss of heat thus caused being measured by the ...
... equal time . Another injurious result is that the cool infiltered air , after absorbing heat from the gases of combustion , passes out with them at the same chimney tem- perature ; the loss of heat thus caused being measured by the ...
Page 32
... equal . When it is considered that walls of brick masonry are easily per- vious to water , there can be no difficulty in believing they are still more easily permeable by air . If brick - work be adopted for the set- ting of boilers ...
... equal . When it is considered that walls of brick masonry are easily per- vious to water , there can be no difficulty in believing they are still more easily permeable by air . If brick - work be adopted for the set- ting of boilers ...
Page 41
... equal pressure , an element of heat at least as intense as silicon or manganese . According to Laplace and Lavoisier , the calorific power of phosphorus , in changing to phosphoric acid , would be 7500 calorics , and if we compare the ...
... equal pressure , an element of heat at least as intense as silicon or manganese . According to Laplace and Lavoisier , the calorific power of phosphorus , in changing to phosphoric acid , would be 7500 calorics , and if we compare the ...
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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