Maritime Parallel Rules | Whohou Marketplace

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Vintage 12" Ebony & Brass Parallel Rule - Maritime Ship Nautical Navigation (235545832260)
VINTAGE ASTON & MANDER NAUTICAL CAPTAIN FIELD’S IMPROVED PARALLEL RULE 1944 (285891219281)
Tacro No. 4448 Marine Navigation 18" Parallel Ruler Protractor-Made in England (196385850369)
Vintage SKALA PARALLEL RULE RULES RULER 17.75" with CASE Marine Navigation CLEAR (155641126000)
Early 1850s Parallel Rule, Elliott Brothers, 56 Strand, London (373038241322)
Vintage 6" Ebony & Brass Parallel Rule - Maritime Ship Nautical Navigation (235536305165)
Vintage Ebony & Brass 18" Parallel Rule Navigational (355512537744)
Vintage C-Thru Ruler Co, Conn, USA Black Bakelite Parallel Rule Ruler 12" #CL69 (225254933222)
West Marine 15" (38cm) Parallel Rules - Model 5247457 (265998774857)
Nautical Plotting Collection Vintage 1950's 7 Pieces Slide Rule Parallel rule (404920231931)
1800s Antique Navigation Parallel Rule Large 24in with Brass Fittings (225544670610)
Lot of 3 Navigation instruments Nautical Slide Rule Parallel Plotter Divider NEW (326067237708)
Weems & Plath Aluminum Arms Parallel Ruler 18" w Protractor Scale #138 Nautical (156004575909)
Vtg Boxwood & Brass Parallel Rolling Rule & Compass Divider Nautical Navigation. (364923484356)
Nice VINTAGE ESCO T-Square Black Drafting Drawing Tool Bakelite D10 (296105403631)
Vintage Brass Hinged Plastic Parallel Ruler Ship Navigation Tool Nautical 18" (256496701085)
Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450Ms (275970095440)
Parallel Rule Marine Navigation ebony brass 19th century nautical Antique (176407555407)
Antique Parallel Rolling Nautical Navigation Ruler brass? Silver? In wooden box (355739906966)
Maritime Navigation PARAGLIDE Protractor Plotter # 1450 & 1451 + Mitering Gage/M (315417933239)
Weems & Plath Marine Navigation Parallel Ruler #141 (Aluminum Arms, 15-Inch) (354820467865)
Vintage Weems and Plath Protractor Scale (334486737441)
Jewelry Clip Vise Holder w Magnifier Jewel Tool on Base (375451549726)
Vintage 18" Parallel Rule, Nautical Maritime in Mahogany & Brass (225599076971)
Vintage Wooden Parallel Nautical Rule Antique 15” Un Branded lovely patina (125920497832)
Vintage Wooden Parallel Nautical Rule Universal Woodworking Co 12” Z emblem (125920499194)
The C-Thru Ruler Co 15" Hinged Parallel Nautical Drafting Rule Hartford Conn B11 (266733129582)
Vintage Set of Staedtler Mars 57140 A,B,C Drawing Curves (115166584611)
1900s era Antique Parallel Rules Nautical Drafting Wooden Tool 12 INCH (143778093068)
Parallel Ruler Navigation Instrument Ruler With cover 21'' Accurate Tool (354755631762)
PR. OF NAUTICAL, NAVIGATIONAL PARALLEL RULES (300950207408)
Vtg. Mathema Series Capt. Fields Improved Parallel Ruler 21” Navigation England (335413216174)
MARINE NAVIGATION PARALLEL RULER Keuffel & Essex Co. 1915 (363928672140)
Antique Kelvin & Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box (295911022284)
Capt O M Watts Parallel Rolling Nautical Navigation Rule (135088082684)
Maritime navigation brass rolling ruler (314739532133)
Vintage 1950s Soviet Russia USSR Maritime NAVY Navigator Parallel Rules (335275528072)
Lot of 3 Weems & Plath Marine Navigation - Ruler, Protractors, Parallel Plotter (226091902493)
Vtg Mayline 12" Navigation Parallel Ruler Drafting Tool Clear Sheboygen, WI USA (156070509741)
Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box (184865853982)
Vintage WEST MARINE navigation Set Brass Parallel Rule & Divider W/ box Denmark (125969481953)
RARE Antique Potter Poultry London 1851 Parallel Rule Maritime Compass Ebony (404659986743)
Davis Instruments 061 Navigation Course Charting Parallel Rule, made in U.S.A. (186420729632)
Vintage C-Thru P-72 Paraglide Protractor Plotter Nautical Statute Ruler 1450 (125692343454)
Folding Parallel Ruler 15 Inches Clear West Marine 106815 Made in Denmark (126379292992)
Vintage Brass Parallel rolling rule A. C. Thornton Ltd. nautical military navy (226167160419)
Antique ROLLER PARALLEL RULE Bowes Course Finder Nautical Course Mapping 19" (285881718489)
Antique Brass Parallel Ruler Nautical Navigation Instrument Made Great Britain (196408997782)
Antique 1915 CAP'T FIELD'S Nautical Drafting Parallel Rule Ship Boat Measure (386468373575)
Vintage Royal Navy Navigation Parallel Rolling Rule Maritime Marine Nautical (325989718813)
Vintage Royal Navy BHL Navigation Parallel Rolling Rule Maritime Marine Nautical (325989718824)
Marine Parallel Scale Survey Division Straightedge Chart Regulation 450Mm GAW (156149697763)
Marine Parallel Scale Survey Division Straightedge Chart Regulation 450Mm (126264706747)
Vtg. Mayline Naval Navigation Drafting parallel Ruler Sheboygan, Wis. 18 in. (184324471556)
MARINE NAVIGATION PARALLEL RULER 450 MM BRASS DIVIDERS NEW IN BOX SALE!! (165230124211)
Plastimo Nautical Parallel Rules Captain Fields Improved (304727285465)
Lucite C-thru Parallel Ruler for Map Navigation aid vintage USA make (235057107590)
A Vintage Captain Field's Improved Parallel Rule (355294878207)
Vintage Weems & Plath 15” Brass Arms Parallel Rule No 142 Original Package (395409770503)
Blundell Harling Brass Parallel Rolling Rule Marine Nav Boxed (355739035745)
Antique CAP'T FIELD'S IMPROVED Nautical Drafting Parallel Rule Ship Boat Measure (202471677596)
450mm Marine Navigation Parallel Ruler Transparency Boat Drawing Parallel Ruler (296199596757)
Lucite C-thru Parallel Ruler for Map Navigation aid vintage USA make (156232438302)
Stanley London 2in Ruler (235258913695)
Antique Kelvin Hughes 24" Brass Parallel Ruler Nautical Navigation Tool in Box (156069853480)
US Marine Inst Co Parallel Rule (325682515217)
Vintage W. H. Van Gaasbeek for Kelvin White Co. 18” Brass Parallel Rule w/ Case (225825853036)
Vintage Hinged Parallel Ruler Nautical Brass Made In Great Britain (185751091555)
Vtg Mayline 15" Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA (266486122000)
Antique Naval Navigation parallel rule 9" ebony and brass parallel ruler (204637476524)
Antique Naval Navigation parallel rule 12" ebony and brass parallel ruler (204637481902)
Vintage Maclean Parallel Lucite Ruler 21" Perspex (325872446290)
Marine Parallel Ruler With Clear Scales Mapping Points To Pull Parallel Ruler 45 (126161427864)
PARALLEL RULERS (323763726102)
24” Vintage Brass Parallel Ruler Kelvin & Hughes Ltd Nautical Navigation Tool (204810795397)
1981 Harry Golub Nautical Plastic Ruler, Nautac (174262986182)
Vintage WWII British Navy Brass Parallel Rolling Rule &box Maritime Naval 106100 (312877958045)
1981 Harry Golub Nautical Plastic Ruler, Nautac (134502764107)
450mm Marine Navigation Parallel Ruler Transparency Boat Drawing Parallel Ruler (145716268733)
Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler7951 (335298014481)
Rare vintage E.R.WATTS & SON Parallel Rules London year 1943 (WWII). (202653106120)
Weems & Plath Marine Navigation Parallel Ruler Without Protractor Markings (1... (204261789288)
C-Thru Ruler Company Protector P-7 Plotter Combination 4" x 15" (296460590374)
Nautical Ruler Capt. Fields South Western Marine Factors Poole England (404915071681)
Maritime Navigation PARAGLIDE Protractor Plotter # 1450 P-71 C-THRU WITH MANUAL (386591037635)
Weems and Plath Rolling Parallel Plotter (185213334534)
Weems & Plath Marine Navigation Parallel Ruler (Brass Arms, 15-Inch) (134153598161)
Victorian Ebony Naval Chart Drafting Parallel Ruler Slide Rule Maritime Nautical (355404406844)
Parallel Ruler Navigation Instrument Ruler With Wooden Box 21'' Accurate Tool (403926266626)
Brass Rolling Ruler, U.W.W. Makers Birmingham With Wood Case - 18" Long (145554358331)
AWESOME WWII BRITISH NAVY CASED PARALLEL ROLLING RULE (380296646957)
Parallel Ruler Brass Divider Pencil Compass Wooden Box Navigation Instrument (403926332657)
Weems & Plath Parallel Ruler - 24 with Protractor Scale (144822741773)
NEGUS Antique Parallel Ruler In Box (234165554782)
Brass Rolling Ruler, U.W.W. Makers Birmingham, Navigation, Engineering, 18" L (164808472184)
C.Smith (clerkenwell) CASED PARALLEL ROLLING RULE (223469021489)
Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler7313 (135002049821)
Antique Large Brass Nautical Instrument by Bliss New York C 19th (334197359989)
C-Thru Ruler Company Protector P-7 Plotter Combination 4" x 15" (285881024626)
Parallel Ruler Bar 12" Inches 6 mm Thickness High Quality Line Accurate Tool (403937989073)