Vintage Nautical Parallel Ruler Kelvin

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Vintage Nautical U.v.w. Makers Birmingham 18" Brass Parallel Ruler With Box

Antique British Nautical/naval Kelvin & Hughes Lca Brass Parallel Ruler, 24"

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Antique Kelvin Hughes Brass Parallel Nautical Navigation Ruler Great Britain

Antique Kelvin-white Co Steel Nautical Parallel #13 Navigation Ruler 18" 360

Vintage Hinged Parallel Ruler Nautical Brass Made In Great Britain

Antique Naval Navigation Parallel Rule 9" Ebony And Brass Parallel Ruler

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Antique Maritime Nautical Navigational Parallel Ruler

Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool In Box