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 96
th of gearing, when the working strength ofthe material is assumed or known.2834 Complete, with set of instructions and formula, in box each, $2.00 Hudsons Horse Power Indicator gives at once by one setting: The indicated horse power of an engine. Size of cylinder required for this power. The…
Drawing instruments · Surveying instruments
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