- $683.50 CAD Military. 1930 US NAVY TECHNICOLOR MOTION PICTURE CORP SURVEY TRANSIT
- $283.72 CAD Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $524.27 CAD Rare vintage E.R.WATTS & SON Parallel Rules London year 1943 (WWII).
- $52.83 CAD High-Quality 12-Inch Parallel Ruler Bar 6mm Thickness for Accurate Straight Line
- $165.00 CAD Brass Rolling Ruler, U.W.W. Makers Birmingham, Navigation, Engineering, 18" L
- $88.41 CAD Brass Rolling Ruler, U.W.W. Makers Birmingham With Wood Case - 18" Long
- $27.40 CAD Vtg Mayline 12" Navigation Parallel Ruler Drafting Tool Clear Sheboygen, WI USA
- $53.44 CAD Vintage Maclean Parallel Lucite Ruler 21" Perspex
- $411.18 CAD Antique Kelvin & Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $34.25 CAD C-Thru Ruler Company Protector P-7 Plotter Combination 4" x 15"
- $204.23 CAD Paralel ruler in wooden box vintage with wooden handle and brass rollers
- $137.05 CAD Vintage W. H. Van Gaasbeek for Kelvin White Co. 18” Brass Parallel Rule w/ Case
- $137.05 CAD Vintage Hinged Parallel Ruler Nautical Brass Made In Great Britain
- $82.23 CAD Vintage 1950s Soviet Russia USSR Maritime NAVY Navigator Parallel Rules
- $53.46 CAD High-Quality 12-Inch Parallel Ruler Bar 6mm Thickness for Accurate Straight Line
- $20.55 CAD Vintage Set of Staedtler Mars 57140 A,B,C Drawing Curves
- $27.40 CAD Vtg Mayline Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA
- $39.76 CAD Vtg Mayline 15" Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA
- $47.97 CAD Nice VINTAGE ESCO T-Square Black Drafting Drawing Tool Bakelite D10
- $274.12 CAD Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $20.56 CAD Lucite C-thru Parallel Ruler for Map Navigation aid vintage USA make
- $54.83 CAD Vtg. Mayline Naval Navigation Drafting parallel Ruler Sheboygan, Wis. 18 in.
- $109.65 CAD Vintage Kenyon Model 28-2000 Rolling Parallel 14" Rule With Wood Case