How To Use The Weems & Plath Parallel Ruler

How to Use the Weems and Plath ROADRule

How to use Weems & Plath Parallel Plotter

How to use the Weems & Plath Parallel Ruler

Weems & Plath How to Use the LIGHTRule

How to Use the Weems & Plath Ultralight Divider

How to use the Weems & Plath Hand Bearing Compass

How to use the Square Protractor

How to use Weems & Plath Marine Binoculars

Weems & Plath Rolling Plotter Demonstration

How to Use the Fastest Plotting Tool in Sailing Navigation

Captain John's Skipper Tips

How to Use the Weems & Plath SOS Distress Light

Using Parallel Rules

Weems and Plath Personal Rescue Strobe - How to use and operate

How to get the most from your Weems & Plath Binoculars

Sailing lesson - The Nautical Slide Rule

NauticEd International Sailing School

plotting latitude and longitude using a portland Plotter

Using a navigational protractor to lay off a course

Calibrating Your Barometer

How to Use a Parallel Ruler and Compass Rose to Determine Direction

How to use the Portland Porter

Mike Whitehouse