Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 419
ed atthe boiler. The lubrication of thewrist and cross head pins,eccentric straps, etc., was us-ually supplied by means ofcompression grease cups.This method was ado2)ted onthe score of economy andcleanliness; the valves werelubricated by means of a self-feeding cylinder lubricator.The chief… … Pig. 4. Worru Gear In Housing 332 ELEVATORS 9 an ignorant attendant would put load on the car and pull theoperating cable. The brake being released, the load would runthe engine backwards and run to the bottom violently. Ofcourse, when these engines and their peculiarities became wellknown,…
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