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 172
nt, containing a plumb bob, adjusting pins, and all the usual access-ories. Dimensions and Weight. Horizontal Circle, ...... Vertical Arc, ....... Compass Needle, ...... Telescope, ....... Object Glass, ...... Magnifying power, . . Weight of instrument with solar attachment, tripod, ..... box,… … No. 20. COMPOUND MINING AND SOLAR TRANSIT. Price Complete, $318.OO. For details, see the back of this plate. No. 20.COMPOUND MINING AND SOLAR TRANSIT. This instrument is like No. 4, -with the Saegmtiller solar attachment. It possesses a double center, lower clamp and tangential movement; plate…
Surveying
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