Illustrated catalogue and general description of improved machine tools for working metal (1899)
Sellers, William, & co. [from old catalog] · Philadephia, Levytype company · leaf 59
FIvOOR-BORING MACHINE.Belt-Driven with Work in Position upon Floor-Plate. This illustration, from actual practice, gives an excellent idea of the use-fulness of these machines. Such work as shown in the illustration, may be setupon the floor-plate and the machine moved from one hole to another, so… … FLOOR-BORING MACHINE ON INDEPENDENT BED.Driven by Electric Motor.Diameter of spindle, 4. Stroke, 30. Face of upright to centre ofspindle, 8. Power-feeds variable through a wide range. Quick traverse bypower, 20 ft. per minute, up and down the upright, and along the horizontalbed. Thirty speeds,…
Machine-tools · Machinery
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