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restoration, repair, sales and on-site fabrication of state of the art aircraft instruments.

The following sheet reflects a portion of the overall services provided by
Keystone Instruments. Contact us for pricing and availability of service.


We Service, Sale and Refurbish Every Aircraft Gauge!
Screened Gauge Face

You name it, We fix it- guaranteed
CUB INSTRUMENTS TURN INDICATORS
Airspeeds AN Type Vac. or Air
Altimeters Air Driven
Tachometers Turn Co-ord.
ENGINE GAUGES Rate Gyro
Oil Pressure/ Oil Temp Turn Banks Vac. or Electric
COMPASSES TACHOMETERS
B-16 Airpath Electric
Bubble face Twin
Kollsman DIRECTIONAL GYROS
ALTIMETERS Standard
Encoding AN Type
Test Box AIM
PRESSURE GAUGES EDO-Aire
Manifold Pressure RC Allen
Fuel Flow Sigma-Tek
Oil Pressure Aeritalia
Hydraulic Pressure Autopilots
Oil Pressure/Temp Electric
U.S. Gauge ATTITUDE GYROS
AIRSPEEDS Standard
Standard Various Mfg. AN Type
Sensitive AIM
True Airspeeds EDO-Aire
VERTICAL SPEEDS RC Allen
2" 0-2, 0-3, 0-4, 0-6 Sigma-Tek
COMPASSES Aeritalia
Airpath Standby Inner Core Autopilots
B-16, Airpath, Kollsman, Pioneer Electric
CLOCKS INDIVIDUAL GAUGES
8 Day Wind Up Clock Fuel, Oil, Temp, CHT
ELECTRICAL GAUGES Fuel, Oil Pressure
Engine 3 in 1 AN Type Amp or Volt gauge
EGT Stewart Warner
Cyl. Head Temp AC Gauges
Carb. Temp Rochester Gauges Trans. & Probes
Outside Air Temp KEYSTONE PROBE KITS
Volts or Ampmeter STATIC SYSTEMS CHECK'S

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