Sier-Bath Precision Gears ; Gear Systems

North Bergen, N.J.: The Company, 1960s. Hardcover folio with black and white spine. 51 pages: illustrations (some color); 29 cm Mild soiling to covers. Very mild rubbing to outer corners of boards, head and foot of spine. Previous owners name in ink to dedication page. Else pages clean and binding tight. Very good(+). . Hardcover.

Dedication letters to Mr. Younger from Sier-Bath Gear Company laid in. Scarce