Engineering drawings of propeller blades, three, from the site of Ferguson Propeller Co., Hoboken. 1984-1985. Created by Columbian Bronze Corp., Freeport, Long Island, N.Y.
Drafting vellum, pre-printed; pencil; 24" high x 36" wide.
Columbian Bronze was a subsidiary of Ferguson. While all are technical, drawing one is the most involved with a chart of coordinates for the machining of the complex blade.
1:
title: 42x34-4-R-Spec Propeller Lauderdale-Prop-SVC #3105
scale: 1/2"
date: 1/17/84
2:
title: 42x39-1/2-4-R&L-Spec Propeller Moss Point Marine PO# 8731
scale: 1/2
date: 12-6-85
other notes: Void
Fireboat "City of Long Beach, Cal."
3:
title: 5D*Pitch to be advised-4-R&L-Spec Propeller Denison Marine Hulls 106, 108
scale: 1/2
date: 6-20-85