Identifying Marks on Box: SKETCH-A-GRAPH Mk.2 - Will enlarge, reduce or reproduce the same size from maps, pictures, plans, patterns, photographs etc. A scientific drawing instrument for young and oldfrom 142474714
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Vintage Sketch A Graph w/ Pantagraph By The Ohio Art Co Sketch A Graph VTG 1961
The Weekend Printer — Starshaped Press
Easily reduce and enlarge your drawings Designed for inclined or horizontal drawing surfaces and is suitable for tracing or dotting. Not recommended for straight tracing. Hardwood construction with a gray lacquer finish offers durability and a professional look. Die-sunk graduation holes are drilled with a high level of accuracy. Adjustable nylon ratio screws ensure smooth movement. Features a nickeled anchor clamp, lead holder and tracer point. Includes accessories and instructions. 24in.
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