Sperry Directional Gyro Indicator P/N 649742 Untested As Pulled (AP2)

Aviation Directional Gyro Indicator- Sperry (16)

Directional Gyro Indicator, Sperry (18)

649742 Garwin Directional Gyro Indicator (CORE)

Vintage 649742 Garwin Directional Gyro Indicator

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

Sperry Gyroscope CO., Directional Gyro P/N: 643715 (EB2505151569A) SN- 27121

1957 Directional Gyro Indicator by Garwin for Sperry Gyroscope # 23-600 SER #G35