I have a Hammarlund Model TO-335-BX Transmitting Condenser in orginal box. Looks like it might of been used for testing. The gap is .125, 50 to 350 uufd @ 3kv to 3.5kv.Size is 7 1/2 in long X 3 1/4 in high X 4 1/4 in wide. Would like $75.00. Neil, NB7Q