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 444
his cut represents the Stuetevant Improved Fan Blower, which is particularlyadapted for Steam Boilers, Furnaces for puddling iron and mehing steel, and Heating Fur-naces for the manufacture of iron and steel Eails, merchant Iron and Steel, Axes and edgeTools, agricultural Implements, and other… … This enlarged Section Cut shows the Hanger, Pulley and Self-Oiling Journal Bearingof my improved Fan and Pressure Blower. It will be seen that the Ball Joint is cham-bered, so as to receive and contain a mass of sponge or other porous material, for thepurpose of absorbing a large quantity of oil,…
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