- $283.72 CAD Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $683.50 CAD Military. 1930 US NAVY TECHNICOLOR MOTION PICTURE CORP SURVEY TRANSIT
- $137.05 CAD US Marine Inst Co Parallel Rule
- $52.61 CAD Parallel Ruler Navigation Instrument Ruler With Wooden Box 21'' Accurate Tool
- $61.61 CAD Lot of 3 Weems & Plath Marine Navigation - Ruler, Protractors, Parallel Plotter
- $165.00 CAD Brass Rolling Ruler, U.W.W. Makers Birmingham, Navigation, Engineering, 18" L
- $41.05 CAD Vintage Ebony & Brass 18" Parallel Rule Navigational
- $88.41 CAD Brass Rolling Ruler, U.W.W. Makers Birmingham With Wood Case - 18" Long
- $12.32 CAD Vintage C-Thru P-72 Paraglide Protractor Plotter Nautical Statute Ruler 1450
- $20.56 CAD Weems & Plath Marine Navigation 15" Parallel Rulers w/o Protractor Scales #145
- $24.64 CAD 450mm Marine Navigation Parallel Ruler Transparency Boat Drawing Parallel Ruler
- $20.49 CAD C-Thru Ruler Company Protector P-72 Plotter Combination & 15” Parallel Ruler
- $65.00 CAD Antique Brass KEUFFEL & ESSER Co. 1758 Rolling Straight Edge Navigation Drafting
- $78.69 CAD Parallel Ruler Brass Divider Pencil Compass Wooden Box Navigation Instrument
- $95.95 CAD Antique Brass Parallel Ruler Nautical Navigation Instrument T.S. & J.D. Negus
- $89.09 CAD SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $41.12 CAD Early 1850s Parallel Rule, Elliott Brothers, 56 Strand, London
- $26.12 CAD Marine Parallel Scale Survey Division Straightedge Chart Regulation 450Mm
- $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
- $68.52 CAD PARALLEL RULERS
- $34.25 CAD C-Thru Ruler Company Protector P-7 Plotter Combination 4" x 15"
- $411.18 CAD Antique Kelvin & Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $30.15 CAD Mayline Naval Navigation Parallel Ruler Drafting Tool Sheboygen, WI 18"
- $68.53 CAD MARINE NAVIGATION PARALLEL RULER Keuffel & Essex Co. 1915
- $28.77 CAD Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450MM,
- $204.23 CAD Paralel ruler in wooden box vintage with wooden handle and brass rollers
- $30.17 CAD Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool
- $52.83 CAD High-Quality 12-Inch Parallel Ruler Bar 6mm Thickness for Accurate Straight Line
- $524.27 CAD Rare vintage E.R.WATTS & SON Parallel Rules London year 1943 (WWII).
- $49.33 CAD Parallel Ruler Navigation Instrument Ruler With cover 21'' Accurate Tool
- $88.09 CAD SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $41.05 CAD Vintage C-Thru Ruler Co, Conn, USA Black Bakelite Parallel Rule Ruler 12" #CL69
- $164.48 CAD Antique CAP'T FIELD'S IMPROVED Nautical Drafting Parallel Rule Ship Boat Measure
- $20.56 CAD MARINE NAVIGATION PARALLEL RULER 450 MM BRASS DIVIDERS NEW IN BOX SALE!!
- $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
- $38.60 CAD Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool
- $57.88 CAD SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $95.95 CAD Maritime navigation brass rolling ruler
- $39.76 CAD Vtg Mayline 15" Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA
- $31.52 CAD Antique Bakelite Ship's Parallel Rules - Small 8.75" - Mantiques
- $27.40 CAD Vtg Mayline Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA
- $102.80 CAD Antique 1915 CAP'T FIELD'S Nautical Drafting Parallel Rule Ship Boat Measure
- $24.60 CAD 1981 Harry Golub Nautical Plastic Ruler, Nautac
- $110.00 CAD RARE Ebony Capt Field's Improved Parallel, Made in England, Black w/White Letter
- $47.97 CAD Nice VINTAGE ESCO T-Square Black Drafting Drawing Tool Bakelite D10
- $20.55 CAD Marine Navigation 15" Parallel Rulers
- $27.34 CAD Vintage Weems and Plath Protractor Scale
- $20.55 CAD Vintage Set of Staedtler Mars 57140 A,B,C Drawing Curves
- $34.27 CAD Weems and Plath Rolling Parallel Plotter
- $199.43 CAD Antique Large Brass Nautical Instrument by Bliss New York C 19th
- $21.25 CAD 1981 Harry Golub Nautical Plastic Ruler, Nautac
- $239.86 CAD NEGUS Antique Parallel Ruler In Box
- $29.91 CAD Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool
- $53.46 CAD High-Quality 12-Inch Parallel Ruler Bar 6mm Thickness for Accurate Straight Line
- $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
- $41.05 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
- $54.83 CAD Vtg. Mayline Naval Navigation Drafting parallel Ruler Sheboygan, Wis. 18 in.
- $58.92 CAD SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $109.65 CAD Vintage Kenyon Model 28-2000 Rolling Parallel 14" Rule With Wood Case
- $370.06 CAD Vintage WWII British Navy Brass Parallel Rolling Rule &box Maritime Naval 106100
- $66.35 CAD Simple folding rule. 20th century Simple folding Metro
- $47.96 CAD Jewelry Clip Vise Holder Jewel Tool on Base
- $28.28 CAD Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 4rm
- $28.48 CAD Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler3020