- $99.99 US Marine Inst Co Parallel Rule
- $38.38 Parallel Ruler Navigation Instrument Ruler With Wooden Box 21'' Accurate Tool
- $57.41 Parallel Ruler Brass Divider Pencil Compass Wooden Box Navigation Instrument
- $498.67 Military. 1930 US NAVY TECHNICOLOR MOTION PICTURE CORP SURVEY TRANSIT
- $29.95 Vintage Ebony & Brass 18" Parallel Rule Navigational
- $22.00 Mayline Naval Navigation Parallel Ruler Drafting Tool Sheboygen, WI 18"
- $30.00 Vintage SKALA PARALLEL RULE RULES RULER 17.75" with CASE Marine Navigation CLEAR
- $19.99 Vtg Mayline 12" Navigation Parallel Ruler Drafting Tool Clear Sheboygen, WI USA
- $42.00 24” Vintage Brass Parallel Ruler Kelvin & Hughes Nautical Navigation Tool
- $121.43 Brass Rolling Ruler, U.W.W. Makers Birmingham, Navigation, Engineering, 18" L
- $99.99 Vintage Hinged Parallel Ruler Nautical Brass Made In Great Britain
- $224.25 Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $50.00 MARINE NAVIGATION PARALLEL RULER Keuffel & Essex Co. 1915
- $69.99 SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $42.99 SURVEYING UNIVERSAL MINI DRAFTER BOARD MASTER DRAFTING ARM ENGG INSTRUMENTS
- $28.41 Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool
- $15.00 MARINE NAVIGATION PARALLEL RULER 450 MM BRASS DIVIDERS NEW IN BOX SALE!!
- $49.99 PARALLEL RULERS
- $38.99 Vintage Maclean Parallel Lucite Ruler 21" Perspex
- $29.95 Vintage C-Thru Ruler Co, Conn, USA Black Bakelite Parallel Rule Ruler 12" #CL69
- $70.00 Antique Brass Parallel Ruler Nautical Navigation Instrument T.S. & J.D. Negus
- $23.00 Antique Bakelite Ship's Parallel Rules - Small 8.75" - Mantiques
- $15.50 1981 Harry Golub Nautical Plastic Ruler, Nautac
- $7.99 Linex A 1715 M Vintage Maritime Marine Parallel Ruler Acrylic Made In Denmark
- $8.09 Vintage C-Thru P-72 Paraglide Protractor Plotter Nautical Statute Ruler 1450
- $12.99 Maritime Navigation PARAGLIDE Protractor Plotter # 1450 P-71 C-THRU WITH MANUAL
- $24.99 C-Thru Ruler Company Protector P-7 Plotter Combination 4" x 15"
- $47.83 Antique Brass KEUFFEL & ESSER Co. 1758 Rolling Straight Edge Navigation Drafting
- $35.99 Parallel Ruler Navigation Instrument Ruler With cover 21'' Accurate Tool
- $20.01 Marine Parallel Scale Survey Division Straightedge Chart Regulation 450Mm
- $39.00 High-Quality 12-Inch Parallel Ruler Bar 6mm Thickness for Accurate Straight Line
- $22.01 Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool
- $64.50 Brass Rolling Ruler, U.W.W. Makers Birmingham With Wood Case - 18" Long
- $299.99 Antique Kelvin & Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $120.00 Antique CAP'T FIELD'S IMPROVED Nautical Drafting Parallel Rule Ship Boat Measure
- $19.13 450mm Marine Navigation Parallel Ruler Transparency Boat Drawing Parallel Ruler
- $25.00 Weems and Plath Rolling Parallel Plotter
- $17.91 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450Ms
- $19.14 Marine Navigation Parallel Ruler Boat Ship Drawing Parallel Ruler 450mm/17.71in
- $20.45 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler8172
- $14.99 Marine Navigation 15" Parallel Rulers
- $18.67 450mm Marine Navigation Parallel Ruler Transparency Boat Drawing Parallel Ruler
- $15.00 Weems & Plath Marine Navigation 15" Parallel Rulers w/o Protractor Scales #145
- $15.00 Lucite C-thru Parallel Ruler for Map Navigation aid vintage USA make
- $29.01 Vtg Mayline 15" Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA
- $30.00 Early 1850s Parallel Rule, Elliott Brothers, 56 Strand, London
- $175.00 NEGUS Antique Parallel Ruler In Box
- $40.00 Vtg. Mayline Naval Navigation Drafting parallel Ruler Sheboygan, Wis. 18 in.
- $17.95 1981 Harry Golub Nautical Plastic Ruler, Nautac
- $58.89 Weems Navigation Protractor
- $9.89 Stanley London 2in Ruler
- $19.95 Vintage Weems and Plath Protractor Scale
- $19.03 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler3434
- $14.99 Vintage Set of Staedtler Mars 57140 A,B,C Drawing Curves
- $145.50 Antique Large Brass Nautical Instrument by Bliss New York C 19th
- $28.00 Nice VINTAGE ESCO T-Square Black Drafting Drawing Tool Bakelite D10
- $99.99 Vintage W. H. Van Gaasbeek for Kelvin White Co. 18” Brass Parallel Rule w/ Case
- $199.99 Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box
- $269.99 Vintage WWII British Navy Brass Parallel Rolling Rule &box Maritime Naval 106100
- $29.74 Jewelry Clip Vise Holder Jewel Tool on Base
- $149.00 Paralel ruler in wooden box vintage with wooden handle and brass rollers
- $33.99 Jewelry Clip Vise Holder w Magnifier Jewel Tool on Base
- $59.99 Vintage 1950s Soviet Russia USSR Maritime NAVY Navigator Parallel Rules
- $165.00 Vintage US Brass Parallel Rule
- $44.43 Weems & Plath Marine Navigation Parallel Ruler Without Protractor Markings (1...
- $80.95 RARE Ebony Capt Field's Improved Parallel, Made in England, Black w/White Letter
- $29.95 Weems & Plath Marine Navigation Parallel Ruler #141 (Aluminum Arms, 15-Inch)
- $19.69 Marine Parallel Scale Survey Division Straightedge Chart Regulation 450Mm HAN
- $53.64 Curve ruler and weight set. S.XX Set of curve ruler and weight
- $70.00 Maritime navigation brass rolling ruler
- $80.00 Vintage Kenyon Model 28-2000 Rolling Parallel 14" Rule With Wood Case
- $48.45 Simple folding rule. 20th century Simple folding Metro
- $48.83 Simple folding rule. 20th century Simple folding Metro
- $34.99 2X(Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 4h
- $425.00 Rare vintage E.R.WATTS & SON Parallel Rules London year 1943 (WWII).
- $75.00 Antique 1915 CAP'T FIELD'S Nautical Drafting Parallel Rule Ship Boat Measure
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450MM,
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450Mh
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450MM
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler7955
- $19.88 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450MM
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 4rm
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler3020
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450MM
- $19.84 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450Mh
- $19.81 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450MM,
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler1225
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler7447
- $20.72 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler7951
- $20.24 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler3281
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler2235
- $19.99 Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450Mh