Scholastic mechanical drafting scales Alvin 110 scale rulers

Alvin 12 Mechanical Drafting Scale Scholastic Ruler Mechanical Drafting Scales for Draftman The Alvin 110 series mechanical drafting scales are

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Architect scales have the following graduations: 3/32, 3/16, 1/8, 1/4, 1/2, 1, 3/8, 3/4, 1.5, 3 inches to the foot; one edge to 16ths., Multipurpose

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12 White Engineering Scale

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Easy to Use - Sharp, easy-to-read graduations resist wear, includes both English and metric measurements: Multipurpose Scale - Designed for architect,

Alvin, Combination Triangular Scale, Metric and English Measurements, White Drafting, Architecture and Drawing Ruler - 12 Inches

Alvin 121PM 30cm High Impact Plastic Metric Triangular Scale

Alvin 110PX 12 in. High Impact Plastic Mechanical Drafting Triangular Scale

Alvin 266P 6 White Plastic Flat Architect Scale

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