Plans for Roebling's standard drop-forged open sockets
gelatin glass negative
PHOTOGRAPHS - GLASS NEGATIVESChapman Derrick & Wrecking Co.
glass
overall: 5 x 7 in.
Gelatin glass negative of Merritt-Chapman & Scott Corp.; plans for Roebling's standard drop-forged open sockets; plate 1142.
1964.660.4293