Aero compass patt.254
Aero compass patt.254, no.38 Creagh-Osborne type pat.no.1148/15 and 11736/15. Fitted with azimuth circle for use in emergency as standard compass. For large airships as a steering compass
Aero compass patt.254, no.38 Creagh-Osborne type pat.no.1148/15 and 11736/15. Fitted with azimuth circle for use in emergency as standard compass. For large airships as a steering compass