Engineering Department U.S.A. compasses
My new book Compass Chronicles has a section dedicated to Engineering
Department U.S.A. pocket compasses produced between 1910 and 1918.
(The compass models that you see below are described in detail.)
Compass Chronicles describes over 200 different compasses. This first edition,
hard cover book includes over 500 colorful photographs and illustrations
covering the history and evolution of these unique instruments.
Eng. Dept. U.S.A. 1913:
Keuffel & Esser: