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 199
No. 41 f.THEODOLITE WITH MICROMETER-MICROSCOPES. Horizontal circle, 8K inches diameter. Both microscopes read 5 seconds direct.Striding level to telescope, Price, $650.00. With vertical circle, 6y2 inches diameter, reading to 10 seconds, by double verniers, Price, $750.00. (See the opposite page.)… … No. 42f. REFLECTING CIRCLE, Mounted on a Brass Stand. Has two prisms. Circle, io# inches diameter, with two verniers reading 10 seconds.Measures angles from o to 36.0°, which is made possible by the peculiar shape of theprisms. Provided with three pairs of colored shades. Telescope has an aperture…
Surveying
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