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. . insures greater accuracy in leveling. Horizontal Limb, 5 inches, divided on Solid Silver to 30 minutes, andnumbering from 0°-360° in two rows running in opposite directions, theslant of the figures denoting the direction. Verniers. One vernier, at 30 degrees to the telescope, reading to 60seconds (see page 201). Compass on raised ring, silvered, divided to 60 minutes, with 3 inchneedle and jeweled
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. . insures greater accuracy in leveling. Horizontal Limb, 5 inches, divided on Solid Silver to 30 minutes, andnumbering from 0°-360° in two rows running in opposite directions, theslant of the figures denoting the direction. Verniers. One vernier, at 30 degrees to the telescope, reading to 60seconds (see page 201). Compass on raised ring, silvered, divided to 60 minutes, with 3 inchneedle and jeweled center. With variation plate and capstan head forsetting same. Vertical Circle, Z]/2 inches, silvered, divided to degrees with vernierreading to 5 minutes. Weight of instrument without tripod, about 7l/2 complete, in finely polished box, with plumb bob, reading glass, adjusting pins and tripod No. 7410. ..each, $ Same as No. 7710, but with vernier on vertical circle, reading to 60 seconds ; each( i15<0o «- OUR IRON CLAD GUARANTEE, see page 196. 242 KOLESCH <fc CO. ffi^C*^ NEW YORK. Kolesch Builders Transit For Builders, Architects and Construction Engineers. 7720 Builders Transit. (For description see page 243.)
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Keywords: ., bookcentury1900, bookdecade1910, bookidillustratedc, bookyear1917
