A bit of an arm waving generalization, James, but a British ‘Wave Meter’ is equivalent to a ‘Frequency Meter’ in North America. A useful piece of test equipment that can be used with a large variety of wireless/radio equipment.
Equipment labelled as being a Frequency Meter is by far and away, the more likely piece of test equipment you would find being used to service a 19-Set in Canada or the USA.
Of all this equipment, perhaps the best known here is the BC-221. They come in a variety of AC and DC versions, but the AC ones are the most flexible as a shop tool. You can find them online easily enough, but you need to find one that still has its original, matching chart. Each unit was custom calibrated to a chart.
You can certainly buy modern Frequency Meters but they tend to be far too sensitive for calibrating older radio equipment that really does not need that degree of accuracy.
I picked up a nice, complete BC-221 locally at an HAM Fest years ago. An AC Model and it is a nice addition to the bench.
David
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