340 •(COLBURN MACHINE TOOL COMPANY) A photographer's master book containing 44 photographs, including photomontages, of machinists at work in the company factories located in Franklin, Pennsylvania.
With a number of modernist photomontages showing before and after products, as well as machining images; views of a selection of the equipment available; and workmen lathing, drilling, and milling metal blocks and components. Silver prints, the images measuring 7x9 inches (17.8x22.9 cm.), linen-backed, approximately half with typed captions on verso, and nearly all with an inventory number in the negative. 4to, brown leatherette, typed label affixed to spine; twin-bolt binding. 1919-20

[1,000/1,500]