Price list of drawing materials, architects and engineers, supplies, blue process papers, etc (1886)
Soltmann, E. G., New York. [from old catalog] · New York, Holt brothers · leaf 135
inch horizontal hmb, reversible axis, divided on silver to 20 min-utes, with double vernier reading to 20 seconds. The standards arenot so high as those of other transits, which greatly adds to thesteadiness of the instrument. Complete, in Mahogany Case, withStrap, including Plumb Bob, Magnifying… … 9810. Eng-ineers or Surveyors Transit Telescope 11 to 12 inches long, mag-nifying power 18 times, horizontal limb 6 inch diameter, divided to 20minutes, double vernier reading to 30 seconds, 4)^ inch needle, longsensitive level to telescope with clamp and tangent attachment, 5inch vertical circle…
Drawing instruments
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