Manual of modern surveying instruments and their uses .. (1893)
Lietz, firm, math. instr. makers, San Francisco. (1893. The A. Lietz company) [from old catalog] · [San Francisco] The Company · leaf 24
CENTERING APPARATUS FOR TESTING GRADUATIONS,In the Adjusting Room. … LINEAR DIVIDING ENGINE,In Graduating Department. Part I, Plate V. A. LJETZ CO., San Francisco, Cal.
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
