Nisonger Instruments: the exclusive Smiths U.S. Warranty & Service Center since 1949
Cobra dashboard
Classic British Sports Cars Classic British Sports Cars Classic British Sports Cars

Smiths Instrument Rebuilding
Smiths Electric Tach Conversions
Smiths Mechanical Tach Conversions
Other Services
427 Cobra OEM Smiths Gauges
427 Cobra OEM Style 270°
Sweep Electric Gauges
427 Cobra and GT40 Speedometers
GT40 Smiths Gauges
E-Type Oil Pressure
Gauges & Voltmeters
Smiths Classic Gauges
Smiths Parts & Accessories
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Shipping Instructions

We can also:

Convert Smiths and British Jaeger Instruments From Positive to Negative Ground.

Custom Calibrate Smiths and British Jaeger Automotive and Motorcycle Speedometers as Required For Tire, Trans. and/or Gearing Changes

Convert selective clocks to utilize modern day quartz movements.


To ship us
your instruments
for rebuilding:

[click here]


Tachometer calibration.

Calibrate mechanical instruments.

Calibrate automotive speedometers.

Calibrate electrical instruments.

Calibrate small instruments.

Calibrate motorcycle speedometers.


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