Plans for brackets for combination fall lead block and lower strut for derrick CHAMPION, Dec. 15, 1917
gelatin glass negative
PHOTOGRAPHS - GLASS NEGATIVESChapman Derrick & Wrecking Co.
1917-12-15
glass
overall: 5 x 7 in.
Gelatin glass negative of Merritt-Chapman & Scott Corp.; plans for brackets for combination fall lead block and lower strut or derrick CHAMPION; December 15, 1917; plate 1115.
1964.660.4270