I found the follwing vacuum variable capacitors: Any interest in same? Jennings ATC-35 Jennings UCSF-500 Jennings UCS -300 Not marked but inscribed on inside 437-38 Not marked but inscribed on inside 434-63, it looks like a Jennings UCS but can not find any other markings. These can be made available for sale if there is any interest. 73 Jack, W3TMZ