18" Aluminum Arms Parallel Rule (Weems & Plath 138)
The 18-inch (45.72cm) Aluminum Arms Parallel Rules feature aluminum arms that join two clear acrylic rulers enscribed with a protractor scale. An essential item in any proper navigation kit, these rules are used to plot direction on a nautical chart from any convenient meridian or compass rose. The two straight-edged rulers are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving ruler, you can effectively plot a course
- 18-inches (45.72cm) long
- Protractor scale
- Sturdy clear acrylic with aluminum arms
- Protective plastic sleeve
- Lifetime warranty
Length: 18 in (45.72 cm)
Width: 2.6 in (6.6 cm)
Height: 0.5 in (1.27 cm)
Weight: 0.5 lb (1.27 cm)
UPC Code: 721002001382
HTS Code: 9017.80.0000
NSN: 6675-01-573-2795
The 18-inch (45.72cm) Aluminum Arms Parallel Rules feature aluminum arms that join two clear acrylic rulers enscribed with a protractor scale. An essential item in any proper navigation kit, these rules are used to plot direction on a nautical chart from any convenient meridian or compass rose. The two straight-edged rulers are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving ruler, you can effectively plot a course
- 18-inches (45.72cm) long
- Protractor scale
- Sturdy clear acrylic with aluminum arms
- Protective plastic sleeve
- Lifetime warranty
Length: 18 in (45.72 cm)
Width: 2.6 in (6.6 cm)
Height: 0.5 in (1.27 cm)
Weight: 0.5 lb (1.27 cm)
UPC Code: 721002001382
HTS Code: 9017.80.0000
NSN: 6675-01-573-2795
Original : $54.95
-70%$54.95
$16.48Description
The 18-inch (45.72cm) Aluminum Arms Parallel Rules feature aluminum arms that join two clear acrylic rulers enscribed with a protractor scale. An essential item in any proper navigation kit, these rules are used to plot direction on a nautical chart from any convenient meridian or compass rose. The two straight-edged rulers are connected to maintain the same angle. By walking the rules across the chart and securely holding down the non-moving ruler, you can effectively plot a course
- 18-inches (45.72cm) long
- Protractor scale
- Sturdy clear acrylic with aluminum arms
- Protective plastic sleeve
- Lifetime warranty
Length: 18 in (45.72 cm)
Width: 2.6 in (6.6 cm)
Height: 0.5 in (1.27 cm)
Weight: 0.5 lb (1.27 cm)
UPC Code: 721002001382
HTS Code: 9017.80.0000
NSN: 6675-01-573-2795
