Bowl-Black painted metal with domed glass. The bowl is set in grey dwarf binnacle. Inside of bowl painted black with four black lubber lines carried on white plastic strips set 90 degs. apart. There is an inner bowl and outer bowl both flooded with liquid. Inner bowl set in gimbals and spring suspension.
Card-White plastic with black markings, graduated to 360 degs. Large black float at centre.
Binnacle-Grey painted aluminium. There are eight magnet adjuster nuts on side and electric light on underside.