Marconi 6960A RF Power Meter (R3)

Marconi 2305 Modulation Meter 2GHz AM/FM

Marconi Instruments Vacuum Tube Voltmeter TF1041B

AD8307 RF Power Meter Power Detection AM Detector Amplitude Detection 0.1-2.5GHz

Marconi Instruments TF868B Universal LCR Wheatstone Bridge

Marconi Instruments Output Power Meter Type TF340

HP 435A RF Power Meter - PARTIALLY TESTED - Hewlett Packard

Vintage Marconi TF1100 Sensitive Valve Voltmeter Sold as SPARES/PARTS