Weems & Plath 12" Brushed Aluminum Arms Parallel Rule #137

Description

- For auction/sale a "Weems & Plath 12-inch Brushed Aluminum Arms Parallel Rule" #137
- This sturdy acrylic parallel ruler with brushed aluminum arms,
polished aluminum handle, and is milled with
beveled
edges
is
inscribed with a protractor scale
-
It is 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.
- The item is previously owned but in pristine condition
- Free shipping and handling for US buyers
-
No returns; sales are final
- Please contact me for any questions prior to bidding/purchase