Vintage Sterling MFG Co. Triangular Scale Engineer Drafting Ruler white

This triangular scale is in good condition, it marked ‘STERLING’ on the scale, and ‘Alvin’ on the case.

Lot of 3, 12 TRIANGULAR SCALE Ruler Architect, Engineer, Mechanical Drafting

Sterling MFG Co. 3-Sided Triangular Engineer Drafting Scale Ruler Plastic VTG LZ Good used condition with typical wear. minor imperfections. Examine

Sterling MFG Co. 3-Sided Triangular Engineer Drafting Scale Ruler white VTG LZ

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Vintage 12 Sterling Triangular Engineer Drafting Scale Ruler Ivory white

WOODEN TRIANGULAR ENGINEER Drafting Scale Ruler -- Boxwood (2) $8.99 - PicClick

1~5PCS Woodworking Square Protractor Aluminum Alloy Miter Triangle Ruler High Precision Layout Measuring Tool for Engineer - AliExpress

Metric Triangular Scale 1:33 1/2 – ALVIN Drafting, LLC

Find many great new & used options and get the best deals for Sterling MFG Co. 3-Sided Triangular Engineer Drafting Scale Ruler at the best online

Sterling MFG Co. 3-Sided Triangular Engineer Drafting Scale Ruler

Alvin 6 Plastic Engineer Triangular Scale Set

Staedtler Engineering Scale, 12 This engineering scale is constructed from specially selected materials to ensure dimensional stability and accuracy. The die-engraved graduations are long-lasting and will not fade or rub off. Color-coded grooves make measuring and marking even easier.

Staedtler 12 Triangular Engineer Scale

Mechanical Ruler

ENGINEER SCALE RULER Staedtler-Mars 987 18-37 Triangular 12 Vintage with case $11.00 - PicClick