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 286
e difficulties generally found in adjusting the length of the line which holds the plumb bob.Can be attached to any transit or level. The weight of the bob holds samein place at any desired distance. No tying of knots necessary. Repairs of Plumb Bobs Sharpening points of plumb bobs. each, $ .… … 8370 83718373837583778379838183838385 Pocket Magnifying Glasses, High Power, fur reading verniers onsurveying instruments. In White Celluloid Cases, which have theadvantage of being easily found when dropped in bushes or grass: 24 inch diameter each, $ .60 1 inch diameter. .... .each, $ .70 1 inch…
Drawing instruments · Surveying -- Instruments
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