Dan Romanchik found a physical copy of this slim book at a thrift sale last week, then scan & posted downloadable copies here. In these days of science & engineering calculators, perhaps the log and trig tables are not needed as often as in the days of slide rules (but they're still good to have!). Rather, it's the formulae for, say, calculating the characteristic impedance of twin-lead transmission lines, or resistor color codes that are good to have ready at hand.
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