US military Sperry Directional Gyro Indicator WW2

C-14A GYRO SYNCHRONIZER W/ SPERRY C-14D DIRECTIONAL GYRO

4000874-8201 Bendix DG-882A Directional Gyro (14-28V)

Sperry Aircraft Directional Control Gyro Type S3A P/N 673447

673447 Sperry Gyroscope Electrically Directional Driven Gyro

C-14A GYRO SYNCHRONIZER W/ SPERRY C-14D DIRECTIONAL GYRO

Sperry Gyroscope CO., Directional Gyro P/N: 643715 (EB2505151569B) SN- 22543

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