A 15-inch parallel rule with solid brass arms and handles: traditional elegance for a classic tool.

Limited lifetime warranty from Weems & Plath on the movement, for as long as you own the instrument. View the warranty terms (PDF)
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Shipped insured and fully tracked directly from the manufacturer's warehouse in Denmark or England. Free delivery in the Netherlands from € 75.
14-day right of withdrawal under European law, with manufacturer warranty handled by us. Contact us first and we send you a return note.
This 15-inch (381 mm) parallel rule is assembled with high-quality solid brass arms and handles, adding traditional elegance to a classic navigation tool.
Weight that helps
The milled acrylic rules have bevelled edges and a protractor scale, and the brass arms give the rule a reassuring heft so it is less likely to slip.
It is also the rule supplied in the Elegant Navigation Set. Protective sleeve included.
Key features
- 15 in (381 mm)
- Solid brass arms and handles
- Milled acrylic, bevelled edges
- Protractor scale
Specifications
| Feature | Detail |
|---|---|
| Brand | Weems & Plath |
| Type | Parallel rule |
| Length | 381 mm (15 in) |
| Material | Acrylic, solid brass arms |
| Weight | 181 g |
| Warranty | Weems & Plath Limited Lifetime Warranty |
| Weems & Plath item number | 142 |
| EAN | 0721002001429 |
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Explore our parallel rules and plotters and navigation sets, or see the full range on our Weems & Plath brand page.
Weems & Plath has served navigators from Annapolis, Maryland, since 1928. Shipsclocks.com supplies this item with friendly service in English.
Frequently asked questions
Why brass arms?
They are sturdy, add weight and look wonderful on the chart table.
- Material
- Brass
- Dimensions
- 381 mm
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