IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Tracor model 304D Rubidium Frequency ...
Varian Associates V-4700A rubidium-vapor frequency standard, serial no. 20: chassis with front panel, for rack mounting. In this accession (no. 1980.0511), the pre-production (.01) and production (.02 ...
Frequency Electronics, Inc. (FEI), a provider of precision timing and frequency technology, clarified a previous statement made during itsearnings callregarding anticipated revenue from its new TURbO ...
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