1x Rare IBM Vacuum Tube Computer Plug In Pluggable Unit 604 705 600-700 Series

For each purchase of $50, you will receive 1 IBM pluggable unit very similar to the one shown, though I have a larger quantity available to sell so they will likely not be the exact one shown in the picture.

All sent will be intact and come with a glass tube.

Authentic piece of computing history. From the estate of an IBM customer engineer in the 50s.

Please see pictures for best description of condition

Shipping time is inaccurate, item will ship in 3 business days

Please message me with any questions or offers