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Photograph of a Freshly-Cut Brass Condenser Tube
Summary
Original caption: NYPS Wn. 7 Feb. 1924. Condenser Tube Sheet Brass. Thickness 1-5/16" -- Cut by means of the carbon arc; length of cut 24 ft.; actual cutting time 4 hrs.: current 600 amps. 70 volts graphite electrode, 5/8" Rd. 3 po[w]er lead. 75000.
General Correspondence
Tags
Date
07/02/1924
Source
The U.S. National Archives
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