The Alvin® Dual-Sided Map Measure Wheel is a versatile map and plan measure that allows you to accurately read maps, drawings, and patterns. Also know as a curvimeter or opisometer, t has two faces – one side is for measuring curves and the other side is for measuring straight lines. Use it to calculate travel distances on land or water and to check whether the route is straight or curved. It measures in U.S. and metric units, as well as nautical miles. This is an excellent tool for anyone that needs to analyze distances or plans for professional or personal use.
Measure Curves and Lines
This Alvin® map and plan measure has two faces, allow you to analyze any type of route, pattern, curve that you may encounter. One side accurately measures straight lines. This side can be used for lines on a plan or to calculate distances between locations. The second side measures curves and is handy for measuring distances on winding roads or the curves of a drawing. You can even use these features to analyze drawings and patterns that have mixture of straight and curved lines. Measure maps that are up to 39 inches U.S. or 99 centimeters metric.
Use for Land or Water
The dual-sided map measure can be used to travel on land or water. It measures in U.S. and metric in miles and kilometers. This allows for planning hiking, road trips, business travel or anything else involving distance. And because it also measures nautical miles, use it to plan boating trips or to calculate the length of a cruise.
Rugged Enough for Travel
The Alvin® Two-Face Map Plan Curve Measure is designed to travel with you. This map and plan measure has a tough nickel-plated exterior and tough break-resistant lens on both faces. So, it can handle the rigors of traveling on hikes, the work site, or anywhere else. Plus it has a comfortable handle that is easy to grip. This reduces the chances of dropping it and makes it easy to maneuver as you analyze maps, plans, and drawings.