Ammeters, Voltmeters, Lot of 6, Volts, Amps, Milliamps, & Millivolts, Weston, Triplett Liaison Aircraft

Ammeters, Voltmeters, Lot of 6, Volts, Amps, Milliamps, & Millivolts, Weston, Triplett Liaison AircraftThis is a lot of 6 vintage voltmeters & ammeters, likely used by the US military during the 1940 50s: Voltmeter DC 30 0 30 Volts, Roller Smith Type DDHR, marked USNavy, 2. 75in round Voltmeter AC 0 15 Volts, Weston model 301, rectifier type, 3in square Milli Voltmeter DC 0 500 millivolts Simpson, 3in round Ammeter DC 0 10 Amps Weston model 301, 3in square Ammeter RF 0 3 Amps, Weston model 425, US Navy Type CV 22021, 3. 5in round Milli Ammeter DC 0 50

Used in most US bombers during WW2

one near the loader

Type 99 Kawanishi Ki-48 Lily Light Bomber

was made by RC Allen

It is mounted on the instrument panel in the pilot's compartment and connected through a vacuum gage and selector valve to a source of vacuum

including heavy bombers B-17 Flying Fortress

The MC-3 Altimeters were used in most models of the US military's F-4 Phantom II's including the models B

When folded

but I've sold 3 from this lot which are identical to this one including the label)

including its electrical connector and mounting screws

up to 2000 PSI

The other modules are three servo units (aileron