Plan for 20" sheave for 1" wire rope for floating derrick CENTURY, plate No. 151, plate 583
gelatin glass negative
PHOTOGRAPHS - GLASS NEGATIVESChapman Derrick & Wrecking Co.
glass
overall: 5 x 7 in.
Gelatin glass negative of Merritt-Chapman & Scott Corp.; plan for 20" sheave for 1" wire rope for floating derrick CENTURY; plate No. 151, plate 583.
1964.660.3795