VNTG RapiDesign No. 78 Ellipse Master Template /3 Templates , 1 drafting ruler

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Vintage RapiDesign No. 78 Ellipse Master 20 30 40 50 Degree Drafting Template

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Nice Berol Rapidesign Ellipse Master No. 77 + 78 Drafting Template Drawing Guide

Rapidesign No. 78 Ellipse Master Drafting Template. Vintage

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Berol RapiDesign – Ellipse Master Template #77 – Axonometric & Isometric Images