[time-nuts] Vintage Frequency Measurement

Scott Stobbe scott.j.stobbe at gmail.com
Sun Feb 12 01:08:33 EST 2017

I was inspired recently coming across a Lampkin 105 frequency meter, as to
how  frequency measurement was done before counters.

Certainly zero-beating a dial calibrated oscillator, would be one approach.

Is there a standout methodology or instrument predating counters?

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