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. (1907)
Kolesch & Company · Kolesch & Company · leaf 95
Cube Roots can be readoff without any setting by means of the indicator, fourth and sixthpowers of roots by one setting, fifth and seventh powers bytwo settings, etc. 8 Squares, Square Roots, Cubes or Cube Roots and higherPowers and Roots of Sines and Tangents are readily obtained bythe foregoing… … For all computations involving teeth of gear wheels, their permissible stress,pitch, velocity, carrving load, etc. An instrument so simple that very little practiceis necessary to become familiar with it. No reference tables or diagrams are neededin its use, as within this slide rule is embodied…
Drawing instruments · Surveying instruments
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