Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 30
i. Maximum distance between heads to suitrequirements. Especially designed for bridge work. Eye bars put in from front andpassed out back when finished. Heads are united by steel bars and can slidefreely on bed ; the expansion of the bars being the same as that of the bridgelinks being bored,… … DOUBLE DRILLING MACHINE. FOR Connecting Rods, Bridge Chords, etc. Two powerful drill presses, adjustable along a heavy work table with boltslots, spindle, 314 diameter, 12 stroke. Overreach of spindles, 12 from face ofcolumn. Powerful feed adjustable through wide range, and quick hand traverseto…
Machine-tools · Machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
