By Chase Brass & Copper Co.-This huge machine (note the man at far left) can draw a 210-foot long straight copper tube with an outside diameter of from 1/2 to 2 inches. Five tubes can be drawn at once, with a force of 150,000 pounds.

Digital Commonwealth — Boston Public Library

By Chase Brass & Copper Co.-This huge machine (note the man at far left) can draw a 210-foot long straight copper tube with an outside diameter of from 1/2 to 2 inches. Five tubes can be drawn at once, with a force of 150,000 pounds.

[ca. November 1957]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Machinery ... Large + Small

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