Engine Gauge Unit (Triple), AN5773-1 TBM Avenger with operating limits of the

with operating limits of the last aircraft in which it was installed marked on the glass

The Bomb Release Control (Intervalometer) permitted a bombardier to control the number of bombs dropped per release and their impact spacing

the large pointer rotated clockwise

According to Andrea Salimbeti's website:

Engine Gauge Unit (Triple), AN5773-1 TBM Avenger with operating limits of theThe WWII era Engine Gauge Unit (aka Triple Gauge), AN5773 1, displayed the performance of 3 engine parameters in one instrument: Oil Temperature, Oil Pressure, and Fuel Pressure. The AN5773 1 unit was used in the US Army Air Force fighters P 38L Lightning and P 63 King Cobra, according to their Maintenance Interchangeability Chart dated Feb 1945, as well as having been used in other military aircraft post war. This instrument is in reasonable