an instrument-board gauge by Kollsman c.1944, calibrated 0-50,000ft, manual compensated chapter-ring, bearing maker’s plate to rear of bakelite casing. 8.5cm dia.; together with a Smiths military 'TIME OF FLIGHT' dashboard style clock with 8 DAY Le Coultre movement, the circular black dial with Arabic numerals and 'Time of Trip' subsidiary dial, approximately 3" [7.6 cm] dia. dial, marked with military broad arrow verso; and an Elgin National Watch Co. 8 DAY Mk 4 B dashboard style clock serial no. 6A/2958, 2" [5 cm] dia. (3)