'Homer' and 'Heron' direction finding equipment and compass equipment consisting of:- 1) Receiver, 2) S.W. Converter, 3) Headphones, 4) " Heron" D/F aerial and compass, used on the Gipsy Moth IV by Sir Francis Chichester, by Brookes and Gatehouse Limited, England, 1965-1966 'Homer' direction finding equipment and compass 1965-1966
Observer's air compass, patt.261, no.445, liquid compass for taking bearings with leather wrist strap and radium paint dials, developed by Captain F.O. Creagh-Osborne, England, 1914-1933 Air compass 1914-1933
Aperiodic R.A.F. air compass, type P 7, with grid view system viewed in reflection from mirror. Unknown maker, Europe, 1918-1939. R.A.F. aperiodic air compass with carrying case 1918-1939
Compass type 06A, made by the Air Ministry, 1940-1955, serial number 33274A, for handheld use on the ground, stored in original wooden box painted RAF blue. Compass issued by the Air Ministry 1940-1945
Creagh-Osborne Air compass type 255, no.160, liquid compass with barrel shaped bowl and viewing windows to each side, with radium paint on compass, developed by Captain F.O. Creagh-Osborne, made by H. Hughes and Son Ltd., London, 1915-1933 Air compass 1915-1933