Anti-aircraft searchlights and sound locators.
Title:
Anti-aircraft searchlights and sound locators.
Author:
Sperry Gyroscope Company, New York.
Corporate Author:
Publication Information:
Brooklyn, N.Y. : Sperry Gyroscoe Company, Inc., [1930?]
Physical Description:
47 pages : illustrations, diagrams ; 29 cm
General Note:
"Publication no. 20-1630."
Language:
English
Format :
Book