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 14
Page 71
... fibre mail , " to make them waterproof , while at the same time permitting the circulation of air through them . The goods shown were silks , satins and velvets , some of them of delicate shades . They were unchanged in appearance by ...
... fibre mail , " to make them waterproof , while at the same time permitting the circulation of air through them . The goods shown were silks , satins and velvets , some of them of delicate shades . They were unchanged in appearance by ...
Page 72
... fibres . It is suitable for underwear as well as for dress goods , as it is pervious to air . The question of cost has not been determined , but Mr. Warner estimated that at the outside it would not add more than twenty to twenty - five ...
... fibres . It is suitable for underwear as well as for dress goods , as it is pervious to air . The question of cost has not been determined , but Mr. Warner estimated that at the outside it would not add more than twenty to twenty - five ...
Page 200
... fibre lying between the bark and the stem ) can be separated from the wood . It is then removed from the water and ... fibres , render them softer and more yielding . The softening machine consists of four horizontal rows of fluted ...
... fibre lying between the bark and the stem ) can be separated from the wood . It is then removed from the water and ... fibres , render them softer and more yielding . The softening machine consists of four horizontal rows of fluted ...
Page 201
... fibres imbedded in the feeder - pins , so as to prevent their being carried off by the cylinder before being properly carded . A large quantity of the fibre , however , when struck by the pins of the rapidly revolving cylinder , is ...
... fibres imbedded in the feeder - pins , so as to prevent their being carried off by the cylinder before being properly carded . A large quantity of the fibre , however , when struck by the pins of the rapidly revolving cylinder , is ...
Page 202
... fibre by the stripper , a roller about 13 inches in diameter , which revolves at a speed of about 430 feet per minute in the opposite direction to the worker , and , traveling with pins inclined forward , it strips the fibres from the ...
... fibre by the stripper , a roller about 13 inches in diameter , which revolves at a speed of about 430 feet per minute in the opposite direction to the worker , and , traveling with pins inclined forward , it strips the fibres from 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