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Toutes les enchères / Optique & Objets scientifiques & Marine / Racal Electronics Limited SA520 Digital Frequency Meter, cir...
Racal Electronics Limited SA520 Digital Frequency Meter, circa 1960s ** An early electronic frequency counter manufactured by Racal Electronics Limited, housed in the distinctive burgundy red hammered finish metal case characteristic of the company's laboratory equipment of the period. The instrument employs four cold-cathode Nixie numerical display tubes, which provide a glowing orange digital readout of the measured frequency Using a crystal-controlled time base and electronic counting circuits, the SA520 enables rapid and accurate measurement of radio frequency signals for laboratory, communications and servicing applications Instruments of this type marked the transition from analogue frequency measurement methods to digital instrumentation and formed an important part of the development of modern electronic test equipment ** From the David Read Collection
Estimation:€117.84
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Estimation:
€117.84
OCT 8 | 3:00 PM
Présentez votre vente aux enchères à des collectionneurs du monde entier !
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