On offer here are THREE USED THERMIONIC TUBES with bases.

Mullard XR1-1600A (4-pin)m with clamp
Mullard 108C1/0B2 with shroud
STC VLS631 with shroud

Cosmetically good but not recently supplied with power.

Now looking for a new home
Delivery to N Ireland, Islands and Highland & Islands may cost a little extra. So if any of these destinations apply, please ask beforehand for a specific price. Thanks.