Graphic Controls Corp - 20 Sheets Vellum Engineering Graph Paper 11-450-01 - USA

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Graphic Controls Corp - 20 Sheets Vellum Engineering Graph Paper 11-450-01 - USA:
$15.00

20 unused sheets of vintage Graphic Controls Corporation (Buffalo, NY) Engineering Pads Velar 450 Isometric-Orthographic graph paper, 8.5\" x 11\", catalog number 11-450-01. 3-ring punched with standard heading. Printed in USA. Original package not available. These sheets date from the 1970s, used in engineering, design, drafting.
From a GC catalog:\"A transparentized 100% rag vellum,Velar 450 will notbecome brittle with age. It is highly transparent and willgive execllent reproductions - it may be used for blueprint,black and white, or diazo reproductions. The grids will notreproduce. For best results, use a fast speedreproduction paper.\"

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