Turn and Slip Indicator
A pair of damaged Kelvin and Hughes Ltd aircraft turn & slip indicators – untested with broken or missing glass – sold as collectable items for spares / repairs or just enjoying as they are.
One is dated 1955 the other appears to be marked in yellow paint with a 68.
The 1968 model is not officially labelled and just carries some lettering possibly added by an engineer.
The 1955 unit has an MOD plate attached to the rear with serial numbers, makers details and model number etc and the MOD Arrow mark