Weem & Plath Protractor Triangle with Handle
One of our best selling navigation instruments, the Protractor Triangle with Handle is inscribed with contrast enhancing colors making it easier to use. Utilizing two 45° triangles, the protractor triangle with handle provides a straightforward method of plotting and performing chart work. With its protractor scales, this protector triangle's handle is easily aligned in any direction with a chart meridian. Direction is maintained as one triangle is slid along the other to the desired position. The protractor triangle with handle is crafted of durable and clear vinylite.