Plan of lower and upper main fall blocks for derrick CENTURY, plate No. 138, plate 603

gelatin glass negative

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

Gelatin glass negative of Merritt-Chapman & Scott Corp. plan of lower and upper main fall blocks for derrick CENTURY; plate No. 138, plate 603.

1964.660.3816