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 136
•: -rrV^^v4;^L/;:^- KOLESCII & CO. ^K\ NEW YORK. 133 Automatic T Square … Automatic T Square Attached to Drawing Board. Front and Rear View.Automatic T Square, consists of a straight edge attached to the boardby means of wires and pulleys, which enable the draughtsman to move thestraight edge up and down the board with a perfectly parallel and freeand easy motion. It is…
Drawing instruments · Surveying -- Instruments
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