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 89
ens Protractor each, $6.50 2307 Patented Draughtsmens Protractor, in Morocco Case M 7.75 The above Protractor can be quickly set to any angle. It can be used either side up and on either side of the two straight edges, and it is of advantage in dividinga circle, transferring angles or laying off a… … 2320 Patented Draughtsmens Protractor each, $4.00 2321 Patented Draughtsmens Protractor, in polished hardwood case.... 5.00The above Protractor has spring tempered steel blades about 9 inches long. The arc is 4 inches in diameter, graduated to degrees, with a vernier reading to five minutes. It has…
Drawing instruments · Surveying instruments
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