Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 33
e by hand, to suit length of drills used. The machine com-plete with countershaft, wrought-iron wrenches, change gear for clamping bar andsaddle, four sets of supporting rollers, with shafts and stands. Largest lift ofcone, 30 diameter, 4 face. Fast and loose pulleys on countershaft, 24 diame-ter,… … ■■■■■■■■■■I FOUR-SPINDLE VERTICAL DRILLING MACHINE. For plates 8 feet wide. Spindles 211 diameter; 9 stroke, adjustable alongcross-head, together or independently; minimum distance from centre to centre, 8.Cross-rail carrying drilling-heads counterbalance and quickly adjustable by hand.Has…
Machine-tools · Machinery
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