Hickok 156 Traceometer: 5 Minute teardown

Here’s a first look at my Hickok 156.  This was intended to be an ‘all in one’ solution for a radio repairman’s bench of the era, combining both standard and frequency selective voltmeters, as well as a watt-meter, and monitor speaker.
This newsletter has a great article by David Boyle, who restored his own Kickok 156.