Electro-mechanical steering system.
APA Citation
Sperry Gyroscope Company, i. (1945). Electro-mechanical steering system. Great Neck, N.Y.: [s.n.].
MLA Citation
Sperry Gyroscope Company, inc. Electro-mechanical Steering System. Great Neck, N.Y.: [s.n.], 1945.
Warning: These citations may not always be complete (especially for serials).