This W994 module consists of a green perforated substrate that holds 3 transistors and various inactive components. A 4-conductor cable extends from the end of the board opposite the pins; it has been snipped. The board was built by hand using solder and connections among the components are made with wire. The solder flux has not been removed.
Date
1966 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Mass.
Identifying Numbers
Model number
W994
Printed on face of the extraction handle.
Other number
3-66
Printed on the edge of the substrate on the side opposite the components.
Other number
W994A
Printed on the edge of the substrate on the side opposite the components.