Simmons, Roger Edwin. [from old catalog] · Harrisburg, Pa., W. S. Ray, state printer · leaf 166
ed Into dimensions the width of theblock and the reciprocating saw then cuts the dimensions into shape, whenthey are passed on to be mortised. Often the wheel slats are cut by machineryand then the blocks are ready for the sheaves. A small part of this industry consists in the manufacture of… … Fig. 30 —Interior of excelsior factory, showing billets in place in excelsior machines.
Woodwork · Lumber trade · Forests and forestry
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.