Plans for sheave for main and boom fall blocks for derrick CONCORD

gelatin glass negative

PHOTOGRAPHS - GLASS NEGATIVES
Chapman Derrick & Wrecking Co.
glass
overall: 5 x 7 in.

Gelatin glass negative of Merritt-Chapman & Scott Corp.; plans for sheave for main and boom fall blocks for derrick CONCORD; plate 840.

1964.660.4059