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 127
Curve each, $ . 50 An 8 inch curve of transparent celluloid, scientifically designed fordrawing any size of isometric ellipses. As shown above, the curvedraws one quarter of the ellipse, and is then shifted to the otherthree quarters. The smaller inside ellipses are for non-scale andfree han*d… … 6065 Weights for Splines, with finger each, $ .85 18 24 30 36 42 48 60 in. 6066 Wood Splines ea., $ .12 .15 .20 .25 .30 .35 .45 6067 Black Celluloid Splines ea., .20 .25 .35 .40 .45 .50 .75 6068 Transparent Celluloid Splines.ea., .35 .40 .45 .50 .55 .60 Combination Curves
Drawing instruments · Surveying -- Instruments
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