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Vintage Folding Parallel Rule Transparent Blades Sestrel Nautical Drafting

$ 13.15 $ 7.89

Nautical Slide Rule and Parallel Plotter | Weems & Plath | Nautical Navigation

$ 22 $ 13.2

Weems & Plath 15" Parallel Ruler with Protractor Scale

$ 28.11 $ 16.86

Antique Parallel Maritime Rulers - Bakelite & Brass

$ 21.12 $ 12.67

Showy EBONY Antique Vintage Maritime 24" Parallel Rule of and BRASS Inv#HK44

$ 110 $ 66

Vintage Kelvin & Hughes British Brass Nautical Navigation 24" Parallel Ruler

$ 48.39 $ 29.03

Weems & Plath Marine Navigation Parallel Ruler Without Protractor Markings

$ 33.95 $ 20.37

NEGUS Antique Parallel Ruler In Box

$ 154 $ 92.4

Vintage Ebony & Brass 18" Parallel Rule Navigational

$ 35.15 $ 21.09

Weems and Plath Rolling Parallel Plotter

$ 22 $ 13.2

Weems & Plath 12" Brushed Aluminum Arms Parallel Rule #137

$ 28.6 $ 17.16

Brass Rolling Ruler, Hall Harding Ltd London, with Box, Navigation, Engineering

$ 125.01 $ 75

Antique Kelvin-White Nautical Brass Navigation Parallel Ruler 24"

$ 66 $ 39.6

1800'S Antique TS & JD NEGUS Brass Parallel Rule SHIP NAVIGATION Tool Nautical

$ 87.12 $ 52.27

Early 19th C. Navigation Ebony & Brass Parallel Rule

$ 132 $ 79.2

Weems & Plath 317 Basic Navigation Set / 5” Parallel Ruler # 145 / Protractor

$ 74.79 $ 44.87

Weems & Plath 12" Brushed Aluminum Arms Parallel Rule #140

$ 14.96 $ 8.97

Brass Rolling Ruler, U.W.W. Makers Birmingham, Navigation, Engineering, 18" L

$ 105.78 $ 63.47

Maritime Navigation PARAGLIDE Protractor Plotter # 1450 P-71 C-THRU WITH MANUAL

$ 13.19 $ 7.91

Lot of 3 Antique Wood/Brass Parallel Ruler Nautical Navigation Tools

$ 43.99 $ 26.39

Weems & Plath Marine Navigation Parallel Ruler #141 (Aluminum Arms, 15-Inch)

$ 44.77 $ 26.86

C-Thru Ruler Company Protector P-7 Plotter Combination 4" x 15"

$ 26.39 $ 15.83

MARINE NAVIGATION PARALLEL RULER 450 MM BRASS DIVIDERS

$ 26.4 $ 15.83

Vintage Weems and Plath Protractor Scale

$ 17.55 $ 10.53

Weems & Plath Marine Navigation Parallel Ruler 15” #141 In Plastic Case

$ 17.6 $ 10.56

Vintage Kenyon Model 28-2000 Rolling Parallel 14" Rule With Wood Case

$ 70.4 $ 42.24

Bi-rola Rule Combination chart Plotter 18" w/ Weems & Plath BRAND NEW

$ 69.01 $ 41.41

Weems & Plath bi-rola rule combination plotter With Case and instruction

$ 11.88 $ 7.12

Weems & Plath Marine Navigation Parallel Ruler W/o Protractor Markings (15 Inch)

$ 17.59 $ 10.55

Antique Extremely Rare 19th Century Rolling Parallel Rule By John Bliss New York

$ 440 $ 264

Weems & Plath #145 Marine Navigation 15" Parallel Ruler

$ 17.59 $ 10.55

Weems & Plath 12" Brushed Aluminum Arms Parallel Rule #137

$ 26.36 $ 15.81

Vintage Mayline Naval Navigation Drafting Parallel Ruler 5501 Sheboygan 18”

$ 7.04 $ 4.22

Antique STANLEY GREAT TURNSTILE LONDON Brass Parallel Rolling Ruler Navigation

$ 123.2 $ 73.92

Showy EBONY Antique Vintage Esco Maritime 15" Parallel Rule Navigation Inv#WE02

$ 8.79 $ 5.27

antique 2 parallel rulers

$ 88 $ 52.8

Wilfrid O. White Vintage Brass Navigational Parallel Rule Nautical Instrument

$ 77.44 $ 46.46

Marine 21" inch parallel ruler Nautical Charts Parallel Rule Mapping Points

$ 45.48 $ 27.29

Vintage Esco U.S.Navy Buships 1944 Parallel Rule 12" Maritime Nautical USN WWII

$ 8.79 $ 5.27

Vintage Kevin & Wilfrid O White Parallel Ruler, 21 inches

$ 44 $ 26.4

Mayline Naval Navigation Parallel Ruler Drafting Tool Sheboygen, WI 18"

$ 19.36 $ 11.61

HARRIS Bone & Brass Folding Parallel Drafting Navigational Rule, 6 in. Long

$ 87.95 $ 52.77

Vintage Mayline Drafting parallel Ruler Sheboygan, Wis. 15 in.

$ 13.19 $ 7.91

Vintage C-Thru P-72 Paraglide Protractor Plotter Nautical Statute Ruler 1450

$ 7.91 $ 4.74

19th c. Ebony & Brass Folding Parallel Drafting Navigational Rule 12 in. Long

$ 30.79 $ 18.47

Rare Antique Carringtons Patent Parallel Ruler Wallingford Conn. W Hill Rolling

$ 87.12 $ 52.27

Weems & Plath Marine Navigation Parallel Ruler Without Protractor Markings (1...

$ 41.82 $ 25.09

Antique Marine Navigation Parallel Ruler

$ 27.63 $ 16.57

NICE 18TH CENTURY NAVAL OFFICER'S DISTANCE RULER WITH A MAKER'S NAME

$ 32.17 $ 19.3

Vintage Mayline 12" Navigation Parallel Ruler Drafting Tool Sheboygen, WI. USA

$ 10.56 $ 6.33

Vintage Hughes & Son 24" Bakelite & Brass Parallel Ruler Navigation Tool- No Box

$ 29.48 $ 17.68

Marine Parallel Ruler Clear Scales, Mapping Points to Pull Parallel Ruler 450Ms

$ 15.87 $ 9.52

Used Weems & Plath Marine Navigation Parallel Ruler (Brass Arms, 15-Inch) No Box

$ 18.48 $ 11.08