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 195
No. 38f. ALT-AZIMUTH INSTRUMENT, With auxiliary telescope,n-inch circles. Price, $1,400.00. (See opposite page.) Part IV. … No 39f-ALT-AZIMUTH INSTRUMENT. Circles 7 inches in diameter. Microscopes read directly to 5 seconds.Telescope, 13-inch focal length and i^-inch aperture. Power, 25 and 36. Price, $700.00. Part IV.
Surveying
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