Bowl-Dia. 8.5" (21.5cm) Grey painted brass, filler plug at side, expansion chamber at base. Inside of bowl appears to be painted white but features obscured.
Card-Dia. 6.75" (17.1cm) Appears to be grey painted mica (?) ring with black markings and to 360 degs.
Binnacle-Plywood pedestal with brass binnacle top .Dia. of pedestal 13" (33cm) Dia. of binnacle top 11" (28cm). Binnacle top fitted with screw rods threaded and fitted with four screws, two on each side. Plywood pedestal has provision for fore and aft and athwartship corrector magnets racks and a single vertical magnet carried in a wooden tube.
Hood-Grey painted brass with an aperture with sliding shutters on one side. There is a hole for an electric lamp fitting on top (missing).