Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 222
er of rings is also one which has called forth a goodmanv inventions. Plate III, Fig. 9, shows the form of the ordinaryring excepting the projection O, the object of which is to clear theloose threads from the traveler; but I dont think this appendage isoften used. There is also usually a shoulder… … Silsbee—Cotton Manufacture and the Ming Frame. 171 firmly into the rail, is, that if through any accident the hole in therail is not exactly concentric with the spindle, it cannot be adjusted ;therefore, various forms of rings have been invented to obviate thisdifficulty. Plate IV, Fig. 4, shows…
Science · Technology · Meteorology · Patents
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