Tektronix Type 292 Semiconductor Tester Power Supply. The 016-0057-00 is the standard fixture for use with the 292. A 016-0058-00 board, intended for grounded Base circuit, is listed but not pictured in the 292 manual, and is never mentioned in any TEK catalog.
A 016-0059-00 PCB for testing diodes is shown in the 292 manual. This diode test jig adapter was using a 013-0080-00 diode test jig. This test jig replaced the poorly working (bad contact) original TF-1 (017-0721) for the 291, together with a new adapter (017-0075-00).