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. (1917)
Kolesch & Company · Kolesch & Company · leaf 221
iers at 30 degrees to the telescope, read-ing to 30 seconds (see page 201). Ground glass shades attached to bothverniers. Compass, divided on solid silver to half-degrees, with improved barneedle, 2 inch. With variation plate and capstan head for setting same. Vertical Circle, 4 inches, graduated… … 7600 u Extra Fine Quality Transit. (For description see page 219.) KOLESCH «&c CO. 1STEW YORK. 219 Kolesch Transit No. 7600 Extra Fine Quality. 7600 Extra Fine Quality Transit, for high-grade work requiring ex-treme accuracy and precision. Bent Standards. With powerful achromaticterrestrial…
Drawing instruments · Surveying -- Instruments
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