The object consists of active and passive components including six transistors. All components are mounted toward the insertion end of the board. There is a socket for a crystal mounted to the component side using two nuts and screws. The alphabet is etched in solder at the insertion end. The letters "neLco" are molded in red into the fiberglass.
Date
1963 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
S1406D
Etched in solder
Other number
1406
Engraved on the metal frame on the extraction end
Serial number
0240093
Engraved on the metal frame toward the extraction end