An 8ins.(20cm) radius bell frame sextant, by Heath & Co.Ltd. Crayford.
Reading from -5 to 150 degrees on the platina scale, and numbered 229 on the arc. The index arm with "Hezzanith" endless tangent clamp, magnifying lens and vernier to 10 seconds. With three horizon and four sun shades. In a fitted mahogany carrying case with sight tube, inverting tube and star scope and large magnifying lens. Bearing a test certificate from the "Hezzanith" works dated February 1960.
Together with a 2ins.(5cm)diam. marching compass in a leather case. 2