Up for sale, a used Power Transformer 910-79 from heavy-duty Hewlett-Packard tubed electronics lab instrument. 

Low Frequency Generator 202A.

US made by Paeco, division of HP.  Makes approx 1040VAC CT, after tube rectifier ~395VDC, loaded.  Was tested and measured while still installed. Current unknown but probably capable of 100mA based on the size and weight.  Also, supplies for 6.3 VAC tube filaments and 5V rectifier tube.  All leads, primaries and secondaries will be labelled. Solid copper cables on the high-amperage supplies.
Large at 4.5" H x 4.3" x 3.75". Over 9 lbs.

Specs: 522-0-522 VAC CT,  5V at 3A, 3 supplies for 6.3VAC filaments,  1 lead 200-0VAC.

Buyer will receive 1 transformer, as shown. Will be well-packed and ship within US by FedEx ground or US Postal flat-rate box.
See my other items, my seller feedback and thanks for looking.