Gyrosyn Induction Compass / Directional Indicator Sperry ID-567/ASN B-52 P-39 The photos show both the

The photos show both the external and internal workings of the gun sight: an exquisite electro-mechanical computer developed well before the era of microchips

Here is an unusual aircraft Engine Triple Gage using the GE Type DJ-3 electrical instrument platform

Model 8DJ12LAE

but could be removed)

SMAMA managed the logistics support for the F-111A

Gyrosyn Induction Compass / Directional Indicator Sperry ID-567/ASN B-52 P-39 The photos show both theHere is the Induction Compass (Directional) Indicator for the Sperry Gyrosyn Compass system used in a number of Cold War era US Military aircraft such as the B 52 Stratofortress. See location of the instrument in the photo of a B 52 pilots instrument panel taken at Castle Air Museum. The knob turns the compass card when depressed, otherwise the card indicates direction given the appropriate electrical input from the remotely mounted directional gyro.