IBM dB Adapter 1749299
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The IBM dB Adapter is a battery-operated electronic device designed to extend the dB measurement capabilities of the IBM VOM 1749231. The dB Adapter has a range of -50 through 0 (zero) dB, in increments of 10 decibels. Date : UnknownManufacturer : IBM Physical Description : dB Adapter box Connector Assembly Operating Instructions Cardboard box This exhibit has a reference ID of CH42147. Please quote this reference ID in any communication with the Centre for Computing History. |
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