Electric Turn & Bank Indicator 24V Schwien Engineering Co. B11-T18 Click here to purchase or contact the seller of this item on eBay
Current Price: 48.00 USD

Ser # 55-4412

Was this manufactured in 1955? It still works if you give it a little help once the voltage is applied. If you twisted side to side or wiggle a little you can get the motor running. There is a movie

Military Aviation Memorabilia

Use the rudder pedals when turning/banking the ailerons to keep the black ball centered

From my dad's vast Arcamex Avionics collection