Plans for extension rod and wrench for 8" valve, August 2, 1911
gelatin glass negative
PHOTOGRAPHS - GLASS NEGATIVESChapman Derrick & Wrecking Co.
1911-08-02
glass
5 x 7 in.
Gelatin glass negative of Merritt-Chapman & Scott Corp.; plans for extension rod and wrench for 8" valve; August 2, 1911; plan 1-B-44.
1964.660.4428