Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 27
wise. Spindles adjustable from 3 to 12 from centre to centre.Drills fed simultaneously. Spindle thrust taken on hardened steel steps, andspindles supported close to discs. Power-feed operated through quick and con-venient clutch, head counterbalanced and quickly adjustable by hand. Powerfulvise,… … THREE-SPiNDLE DRILLING MACHINE.WITH Compound Base for Girder Rails.Especially arranged for drilling girder rails up to 12 high. Column ad-justable by power through distance of 5}^, for drilling parallel rows of holes—adjustable by hand in direction of rail length, for right or left lead.…
Machine-tools · Machinery
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