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1977. A gallon of gas cost about 62 cents. In Hollywood, Rocky wins the Oscar for Best Picture. Here in New York, Beatlemania opens on Broadway.
Down on West 23rd Street, Mike Matthews and Electro-Harmonix are busy introducing new products including the “way out” Frequency Analyzer with ads like this.
The Frequency Analyzer was the predecessor of the new and ultra-powerful Ring Thing, Single Sideband Modulator.

Click here to see the full ad

Frequency Analyzer

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