Ruling & Measuring
Products
Proportional Scales
Alvin For calculating percentage of enlargements and reduction of photos, artwork and layouts.
Series 110 Architect Scales
Alvin Student/vocational scales with easy-to-read black imprinted graduations. Made of satin finished impact plastic. Open divisions.
Series 110 Engineers Scale
Alvin Student/vocational scales with easy-to-read black imprinted graduations. Made of satin finished impact plastic. Open divisions.
Series 110 Mechanical Draftsman Scale
Alvin Student/vocational scales with easy-to-read black imprinted graduations. Made of satin finished impact plastic. Open divisions.
Series 110 Metric Scale
Alvin Student/vocational scales with easy-to-read black imprinted graduations. Made of satin finished impact plastic. Open divisions.
Series 240B Architect Scale
Alvin Tapered edges and color coded furrows for quick scale identification. Divisions are engraved on a non-glare matte plastic face, bonded over seasoned, laminated bamboo for durability.
Series 740PM Metric Scale
Alvin Made of high-impact plastic with non-glare faces and tapered edges. Machine engraved graduations and color coded furrows.
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