We can also:

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

Convert Many Smiths and British Jaeger Electric Tachometers For Use With Most Electronic Ignitions.

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.