Watch relative bearings change, predict crossing situations, plot offshore fixes with a 3 arm protractor, or check your compass by sun or stars. These are some of the things you can do with a pelorus. Large ships have permanently mounted peloruses, or some that can be mounted in deck shoes. On a smaller scale, these portable peloruses will give you many of the same benefits. A compass adjuster will find this a very nice instrument when calling on an assignment.
The Shoe Mount Pelorus comes with a deck shoe that can be affixed with two screws at a desired location where bearings may be easily taken. The pelorus can be taken from its storage box and be quickly mounted on the shoe. After use it can be returned to its box, or left out for later use. Storage box size is 9.5″ square x 5″ high, and is finished in natural wood tones.
The Pelorus have a gimbaled bearing card which is 5 inches in diameter, and is marked in one degree increments. A sun shadow vane may be used for checking the ship’s compass. The gimbals are weighted for stability, and overall construction is of aluminum and polyamide.
The Boxed Pelorus is quite nice looking in its box. Apart from its functional attributes, it would be well suited as a marine artifact in a den or office.