Description

Stanley No. 12 Carpenter’s Sliding Rule – 2‑Foot, 2‑Fold (1854–1915) – With Gunter’s & Drafting Scales
Stanley No. 12 Carpenter’s Sliding Rule, a 2‑foot, 2‑fold model produced between 1854 and 1915, featuring both Gunter’s scales and drafting scales — a combination that makes this one of Stanley’s more interesting and versatile early rules.
The No. 12 was designed for carpenters, builders, and draftsmen who needed a compact folding rule with expanded mathematical and layout capability. The sliding center section allows for precise proportional work, while the Gunter’s scale (used historically for navigation and logarithmic calculations) adds a fascinating technical dimension. The drafting scales further enhance its usefulness for layout, design, and fine measurement.

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