RAF flight instruments. Including aircraft attitude indicator, marked Artificial Horizon. Metal, complete glass. Functional dial. Sperry markings 6A/=1289. A temperature indicator, marked Degres, in metal, complete glass. The markings are illegible. A bakelite instrument, complete, glass in very good condition. Markings Mark III, AM under crown. Two different models of dismantling keys, marked Rolls Royce. B75553 and D8830, with some wear and patina. Condition II+. RAF flight instruments Comprising an aircraft attitude indicator marked Artificial Horizon. Metal construction, glass intact, dial functional. Marked Sperry 6A/=1289. One temperature indicator marked Degrees, metal body, glass intact, markings illegible. One bakelite instrument, complete, glass in very good condition, marked Mark III, Air Ministry crown marking. Two different dismantling keys marked Rolls Royce, references B75553 and D8830. Showing expected wear and patina. Condition II+.