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 98
ndle speed and feed are known. Complete, with set of instructions, in box each, 2.00 Hudsons Horse Power Indicator gives at once by one setting: The indicatedhorse power of an engine ; size of cylinder required forthis power ; the piston speed ;for compound cylinders, the ratios, etc.2875 Hudsons… … 2894 2893 2894 2895 2897 2898 The Charpentier Circular Slide Rule, as shown in illustrationabove, was designed for vest pocket use. It consists of aGerman silver disc, 2^ inches diameter, which forms the bodyof the rule. A brass ring serving as a slide is recessed in theGerman silver body and is…
Drawing instruments · Surveying -- Instruments
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