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 93
stinguish our slide rules. The ultimate sub-divisions are as fine as those on the regular 10 in. rule, and by means of a powerful,yet compact and convenient magnifying glass, their value is easily ascertained withthe same percentage of accuracy as can be obtained by the 10 inch rules. 2715 Midget… … 27172717 Vest Pocket Slide Rule, 5 in., thin mahogany stock, celluloidfacings, narrow for pocket use, with glazed aluminum indicator,case and directions ... each, $2.25 Nestlers Precision Slide Rule Tne feature of this Slide Rule is that it is really a 20-inch Slide Rule in a10-inch length ;…
Drawing instruments · Surveying -- Instruments
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