- $283.89 CAD Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $137.13 CAD US Marine Inst Co Parallel Rule
- $683.90 CAD Military. 1930 US NAVY TECHNICOLOR MOTION PICTURE CORP SURVEY TRANSIT
- $52.64 CAD Parallel Ruler Navigation Instrument Ruler With Wooden Box 21'' Accurate Tool
- $61.65 CAD Lot of 3 Weems & Plath Marine Navigation - Ruler, Protractors, Parallel Plotter
- $65.00 CAD Antique Brass KEUFFEL & ESSER Co. 1758 Rolling Straight Edge Navigation Drafting
- $165.00 CAD Brass Rolling Ruler, U.W.W. Makers Birmingham, Navigation, Engineering, 18" L
- $41.07 CAD Vintage Ebony & Brass 18" Parallel Rule Navigational
- $12.33 CAD Vintage C-Thru P-72 Paraglide Protractor Plotter Nautical Statute Ruler 1450
- $20.57 CAD Weems & Plath Marine Navigation 15" Parallel Rulers w/o Protractor Scales #145
- $88.46 CAD Brass Rolling Ruler, U.W.W. Makers Birmingham With Wood Case - 18" Long
- $24.66 CAD 450mm Marine Navigation Parallel Ruler Transparency Boat Drawing Parallel Ruler
- $20.50 CAD C-Thru Ruler Company Protector P-72 Plotter Combination & 15” Parallel Ruler
- $78.73 CAD Parallel Ruler Brass Divider Pencil Compass Wooden Box Navigation Instrument
- $96.00 CAD Antique Brass Parallel Ruler Nautical Navigation Instrument T.S. & J.D. Negus
- $89.14 CAD SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $41.14 CAD Early 1850s Parallel Rule, Elliott Brothers, 56 Strand, London
- $53.47 CAD Vintage Maclean Parallel Lucite Ruler 21" Perspex
- $27.42 CAD Vtg Mayline 12" Navigation Parallel Ruler Drafting Tool Clear Sheboygen, WI USA
- $30.17 CAD Mayline Naval Navigation Parallel Ruler Drafting Tool Sheboygen, WI 18"
- $28.42 CAD Marine Parallel Scale Survey Division Straightedge Chart Regulation 450Mm
- $34.27 CAD C-Thru Ruler Company Protector P-7 Plotter Combination 4" x 15"
- $411.42 CAD Antique Kelvin & Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $110.00 CAD RARE Ebony Capt Field's Improved Parallel, Made in England, Black w/White Letter
- $68.57 CAD MARINE NAVIGATION PARALLEL RULER Keuffel & Essex Co. 1915
- $28.79 CAD Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450MM,
- $204.35 CAD Paralel ruler in wooden box vintage with wooden handle and brass rollers
- $68.56 CAD PARALLEL RULERS
- $52.83 CAD High-Quality 12-Inch Parallel Ruler Bar 6mm Thickness for Accurate Straight Line
- $524.58 CAD Rare vintage E.R.WATTS & SON Parallel Rules London year 1943 (WWII).
- $30.19 CAD Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool
- $49.36 CAD Parallel Ruler Navigation Instrument Ruler With cover 21'' Accurate Tool
- $164.57 CAD Antique CAP'T FIELD'S IMPROVED Nautical Drafting Parallel Rule Ship Boat Measure
- $137.13 CAD Vintage Hinged Parallel Ruler Nautical Brass Made In Great Britain
- $41.07 CAD Vintage C-Thru Ruler Co, Conn, USA Black Bakelite Parallel Rule Ruler 12" #CL69
- $137.13 CAD Vintage W. H. Van Gaasbeek for Kelvin White Co. 18” Brass Parallel Rule w/ Case
- $20.57 CAD MARINE NAVIGATION PARALLEL RULER 450 MM BRASS DIVIDERS NEW IN BOX SALE!!
- $27.42 CAD Vtg Mayline Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA
- $88.09 CAD SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $57.88 CAD SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $96.00 CAD Maritime navigation brass rolling ruler
- $82.27 CAD Vintage 1950s Soviet Russia USSR Maritime NAVY Navigator Parallel Rules
- $102.86 CAD Antique 1915 CAP'T FIELD'S Nautical Drafting Parallel Rule Ship Boat Measure
- $48.00 CAD Nice VINTAGE ESCO T-Square Black Drafting Drawing Tool Bakelite D10
- $20.56 CAD Marine Navigation 15" Parallel Rulers
- $39.79 CAD Vtg Mayline 15" Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA
- $24.62 CAD 1981 Harry Golub Nautical Plastic Ruler, Nautac
- $274.28 CAD Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $20.57 CAD Lucite C-thru Parallel Ruler for Map Navigation aid vintage USA make
- $27.36 CAD Vintage Weems and Plath Protractor Scale
- $20.56 CAD Vintage Set of Staedtler Mars 57140 A,B,C Drawing Curves
- $21.26 CAD 1981 Harry Golub Nautical Plastic Ruler, Nautac
- $34.29 CAD Weems and Plath Rolling Parallel Plotter
- $199.55 CAD Antique Large Brass Nautical Instrument by Bliss New York C 19th
- $240.00 CAD NEGUS Antique Parallel Ruler In Box
- $53.49 CAD High-Quality 12-Inch Parallel Ruler Bar 6mm Thickness for Accurate Straight Line
- $29.91 CAD Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool
- $41.07 CAD Weems & Plath Marine Navigation Parallel Ruler #141 (Aluminum Arms, 15-Inch)
- $77.43 CAD Parallel Ruler Brass Divider Pencil Compass Wooden Box Navigation Instrument
- $54.86 CAD Vtg. Mayline Naval Navigation Drafting parallel Ruler Sheboygan, Wis. 18 in.
- $38.60 CAD Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool
- $109.72 CAD Vintage Kenyon Model 28-2000 Rolling Parallel 14" Rule With Wood Case
- $58.96 CAD SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $370.28 CAD Vintage WWII British Navy Brass Parallel Rolling Rule &box Maritime Naval 106100
- $66.35 CAD Simple folding rule. 20th century Simple folding Metro
- $40.79 CAD Jewelry Clip Vise Holder Jewel Tool on Base
- $28.29 CAD Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 4rm
- $28.50 CAD Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler3020