This exhibit is a Margo Fleming Valve. Fleming as it uses the Fleming effect.The anode is a helix of stout wire and the filament is a single strand.The original box.Thanks to Joe Gruber for sending the images.The thin glass tube envelope is 16 mm in diameter and, including the peanut base pins, is 50 mm tall.Reference: Joe Gruber. |
Updated November 26, 2020.
|
|