Gear's illustrated catalogue of wood and iron working machinery (1872)
A.S. Gear, Gear, A. S · Boston : Printed at A.S. Gear's printing office, 62 Sudbury Street · leaf 437
re made exactly to suit their work. Having made a series of experiments with different kinds of leather, madeup into belts in different ways, I have been led to adopt a standard of quality ofstock, style of making the belt, stuffing, and an adhesive coating for the surface,which is far superior to… … This is one of the oldest inventions in Fan Blowers, and many attempts havebeen made to make it work, but without success, except so far as attained in theSturtevant Blower; (few of which are in use.) There is no advantage to be gainedexcept in cases where parties require a pressure of 1J lbs. or…
