Altimeter, Czech, L-29 Delfin Jet Trainer N62187 KC-97 The battery ammeter indicates the

The battery ammeter indicates the current flow through the battery charging system

The indicator for engines #3-4 has the Munsell green markings on its scale typical of US Navy aircraft

25in across and ~8

as used in aircraft of the US Navy such as the SBD Dauntless Dive Bomber

which were selected by rotating the center knob below the frequency band window

Altimeter, Czech, L-29 Delfin Jet Trainer N62187 KC-97 The battery ammeter indicates theHere is an Altimeter as removed from the Aero L 29 Delfin (Dolphin) Jet Trainer aircraft N62187 (built in 1966) in August 2000 per its yellow tag indicating its serviceability. Originally used by the Czechoslovakian Air Force, now currently the aircraft is in the US and reported as airworthy as of the date of this entry. See the N62187 L 29 here. Likely this version of Altimeter was also used in aircraft of the USSR, or it was sourced there, since it