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 162
o. o CO 10 - od 5. CO w COCO < OhO u CO H <H QW … CM SIMPLIFIED TRANSITS (COMPASSES.) No. 12. Possessing a single center; horizontal leveling screws, and ball joint movable insocket. Xo horizontal plate. Compass needle and graduated compass ring, withvariation plate. Sensitive plate levels. Cloth finished standards, carrying a fineachromatic…
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