The object is a metal panel with a phenolic board mounted underneath. There are sockets for ten octal vacuum tubes; seven are populated. There are 11 BNC connectors around the edges, one 10-pin connector and one 29-pin connector both on the left side. A screen-printed label at the upper-left corner of the top, and on the lower-right of the underside, reads "203 FLIP FLOP STORAGE REGISTER SERIAL # 28." There are two brackets on the underside, each with two white indicator lights, one labeled "FLIP FLOP A" and the other labeled "FLIP FLOP B."
Date
1951
Manufacturer
Massachusetts Institute of Technology (MIT)
Identifying Numbers
Model number
203
Printed in white paint on both the upper left corner of the top of the panel and the lower right corner of the underside.
Other number
F12-9
Handwritten on a white paper label at the lower right corner of the underside.
Serial number
28
Printed in white paint on both the upper left corner of the top of the panel and the lower right corner of the underside.
