The Aeroplane Spotter Weekly, Vol 1 Jan-June 1941 Collection Northrop An airspeed indicator in test

An airspeed indicator in test may have been connected between the pressure source and this test device

but these claims have not been independently confirmed by AeroAntique

and maintenance of all types of instruments in use at the time

A simple but very useful instrument at the time

(i) The ability to disconnect the magnetic slaving signals of the C2 Fluxvalve

The Aeroplane Spotter Weekly, Vol 1 Jan-June 1941 Collection Northrop An airspeed indicator in testThis is a complete unbound collection of The Aeroplane Spotter, Volume 1, containing all 26 weekly publications from January though June 1941, a total of 244 pages, plus an article index to the volume. The Aeroplane Spotter was a British weekly newsletter full of information regarding military aircraft of the RAF, Luftwaffe, US Army Air Corps and others. Each weekly edition is printed on newsprint paper and obviously shows its age. It is full of