Vector 3690, Card Extender, Mates with Receptacle R644 + R644-3

VECTOR ELECTRONICS 3690 / 3690 (NEW IN BOX)

Vector Electronics 3690 Test Extender

Vector 3690-1 Extender Board USED

Rare 3690-26 Vintage VECTOR Extender Card, IBM, 2 Connectors 18 & 31/ 36 & 62

Simspec 101B Laser Control Panel Vector 3677 Used Working Free Shipping

Vector 3677 Vector Electronics Plugboard Prototyping board

Vector 3677 Vector Electronics Plugboard Prototyping Board With Instructions