Portable Heterodyne Wave Meter Class D No.1 MkII /1
Self contained portable field instrument for calibration of British W.W.II. radio receivers and transmitters such as Wireless Set No. 18,19, etc. to a given frequency. Manufactured in 1943. Frequency range 1.9-8 Mhz in two ranges. Powered by external 6V battery. Accuracy +/- 2kHz. Supplied in good condition and includes Transit Case No. 7 and accessories.
Self contained portable field instrument for calibration of British W.W.II. radio receivers and transmitters such as Wireless Set No. 18,19, etc. to a given frequency. Manufactured in 1943. Frequency range 1.9-8 Mhz in two ranges. Powered by external 6V battery. Accuracy +/- 2kHz. Supplied in good condition and includes Transit Case No. 7 and accessories.
