Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc / Kolesch & Company. . inches, graduated on solid silver to 20 minutes, andnumbered as shown on page 200. Two finely graduated bubbles, at rightangles to each other. Verniers, two opposite verniers (at 300 to telescope), reading to 30 page 201. Compass, divided on solid silver to half degrees, with variation plateand improved bar needle about 4 inches long. Vertical Circle, 4 inches, graduated on solid silver
Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc / Kolesch & Company. . inches, graduated on solid silver to 20 minutes, andnumbered as shown on page 200. Two finely graduated bubbles, at rightangles to each other. Verniers, two opposite verniers (at 300 to telescope), reading to 30 page 201. Compass, divided on solid silver to half degrees, with variation plateand improved bar needle about 4 inches long. Vertical Circle, 4 inches, graduated on solid silver to half degrees, withvernier reading to single minutes. Instrument complete, in finely polished mahogany box, with plumb bob,adjusting pins, center key, screw driver, reading glass and solid or splitleg tripod each> | 7632 Mountain and Mining Transit, same as No. 7630, but with vertical arc instead of vertical circle « 7633 Mountain and Mining Transit, same as No. 7630, but without vertical circle « 226 KOLESCH & CO. pjj^ NEW YORK. Right-Angle For description, see page 227
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Keywords: ., bookcentury1900, bookdecade1910, bookidillustratedc, bookyear1917
