Offered is the Thordarson Filament Transformer type 21F27. The transformer is clean and in good condition. Rated for 117VAC Primary and 26.5 centertapped VAC @ 0.6Amp.  Test Voltage 3000V.  Wire leads are short, approx 3 or 4 inches in length. Mounting flanges are on the bottom with centers at 3 inches.  2 3/8 X 2 1/8 inches in size and 2 inches in height. Less than 2 pounds packed up.  Pick up the transformer for your own DIY project. Probably 1950's vintage. Mouse over the photo images to zoom in. NO RESERVE!! Thanks for looking.