Weems And Plath Marine Navigation Parallel Plotter Model 120 12.5 Inch Clear Acrylic Roller Instrument
Why you'll like it
- Effortless Course Transfer — Marine-grade aluminum roller assembly keeps the straight edge perfectly parallel while moving across charts without lifting.
- Precise Bearing Readings — Built-in central semi-circular and dual quarter-circle protractors allow quick angle and direction measurements against meridians.
- Chart Scale Compatibility — Integrated distance ratios at 1:20,000, 1:40,000, and 1:80,000 match standard coast and harbor chart specifications.
- Durable Construction — Transparent acrylic plate offers long-lasting clarity and high impact resistance for demanding marine cockpit conditions.
- Compact Portability — Lightweight 12.5-inch design provides a space-saving navigation aid that fits easily into any marine toolkit.
Product details
Description
The Weems And Plath Marine Navigation Parallel Plotter is an essential precision tool designed for professional navigators, boaters, and sailing enthusiasts who require absolute accuracy on nautical charts. Measuring 12.5 inches in length, this instrument features a durable transparent acrylic rule mounted on a smooth marine-grade aluminum roller assembly.
This mechanical setup allows you to transfer courses and parallel lines quickly across a map without lifting the rule from the paper surface, offering a faster and more space-efficient workflow than traditional parallel rules. Built with versatility in mind, the device includes an integrated central semi-circular protractor along with two quarter-circle protractors for reading bearings effortlessly against meridians and parallels.
Furthermore, it incorporates dedicated distance scales tailored for standard coast and harbor charts at 1:20,000, 1:40,000, and 1:80,000 ratios alongside standard inch measurements. Lightweight at just 141 grams and compact in design, it serves as a reliable mechanical backup tool for modern marine navigation environments.
How to use
- Align the straight edge of the plotter with your desired course line on the nautical chart.
- Roll the instrument smoothly across the map until it intersects your reference meridian or compass rose, then read the precise bearing from the integrated protractor or transfer parallel lines directly to your destination.
Ingredients
Premium-grade transparent acrylic rule, marine-grade aluminum roller assembly, precision-calibrated metal components.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | WEEMS & PLATH |
|---|---|
| UPC | 721002001207 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
Are Weems And Plath products repairable?
Yes, Weems And Plath provides customer support and repair services for many of their precision nautical instruments. You can contact their customer support team or authorized service centers for assistance with specific parts and maintenance.
What are the dimensions of this marine parallel plotter?
The Weems And Plath Parallel Plotter measures 12.5 inches in length and weighs approximately 141 grams, making it a compact and lightweight tool for maritime navigation.
Does this plotter include distance scales for nautical charts?
Yes, it features integrated distance scales tailored for standard coast and harbor chart ratios at 1:20,000, 1:40,000, and 1:80,000, alongside a standard inch scale.
Are these products authentic USA imports available in India?
Yes, this is an authentic USA-imported Weems And Plath navigation instrument. Dropy sources these specialized products directly from the United States to deliver genuine items to customers in India.
How does the roller mechanism work on this plotter?
The plotter is mounted on a smooth metal cylinder roller assembly that ensures the straight edge remains perfectly parallel as you glide it across paper nautical charts.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.