|
Date: |
|
Description: | Heavy grey crackle case with folding side handles. Marconi HF oscillator type TF1246 with 8 ranges from 40 kHz to 50 MHz, with switchable coil bank from front panel, slow motion drive and variable amplitude. Ser. No. 100310/23. This is fixed to a 'Circuit Magnification Meter' (i.e. Q meter) TF1245A Ser. No. 100212/02. Perspex capacitance-inductance conversion chart on top. 2 front panel meters (one Q multiplier and one Q and delta Q), small platform at front for test circuit. Markings suggest use from 1 kHz to 300 MHz. 'Lasted tested' sticker on top dated 1987. | License: | http://www.abdn.ac.uk/historic/Copyright_terms_conditions.shtml | Publisher: | ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments | Rights holder: | 47718 | Temporal: | 1960-1975 | Source: | University of Aberdeen | Creator: | Marconi Instruments Ltd. | Identifier: | http://calms.abdn.ac.uk/Geology/dserve.e... | Go to resource |
|
|