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 6-10 of 42
Page 72
... applied naphtha fails to have any effect on it . Goods treated with it can be washed with soap without injuring them or removing the waterproof covering from the fibres . It is suitable for underwear as well as for dress goods , as it ...
... applied naphtha fails to have any effect on it . Goods treated with it can be washed with soap without injuring them or removing the waterproof covering from the fibres . It is suitable for underwear as well as for dress goods , as it ...
Page 74
... applied to the reciprocating parts of a steam engine , are better understood . Shortening the stroke has the further advantages of shortening the space passed over by the piston head during a given number of strokes , and consequently ...
... applied to the reciprocating parts of a steam engine , are better understood . Shortening the stroke has the further advantages of shortening the space passed over by the piston head during a given number of strokes , and consequently ...
Page 75
... applied to it by many constructors , and will almost inevitably shake to pieces a faultily designed structure . . The length of the crank pin and shaft bearings must also increase directly with the number of revolutions made , while ...
... applied to it by many constructors , and will almost inevitably shake to pieces a faultily designed structure . . The length of the crank pin and shaft bearings must also increase directly with the number of revolutions made , while ...
Page 90
... of a mortar of this same ore , which is applied to the corroded spots . It is easy to obtain ore of the necessary composition . It must not contain less than 6 per cent . of silica , 90 [ Jour . Frank . Inst . Dephosphorization of Iron .
... of a mortar of this same ore , which is applied to the corroded spots . It is easy to obtain ore of the necessary composition . It must not contain less than 6 per cent . of silica , 90 [ Jour . Frank . Inst . Dephosphorization of Iron .
Page 111
... applying compressed air differs from any that has been hitherto in use , inasmuch as it avoids the loss entailed by the use of a reducing valve and the cooling of the air by expansion . The arrangement appears to enable a much greater ...
... applying compressed air differs from any that has been hitherto in use , inasmuch as it avoids the loss entailed by the use of a reducing valve and the cooling of the air by expansion . The arrangement appears to enable a much greater ...
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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