@m_thompson
Do you have plans to get the 1200 up and running again ?
For the 1200 (that is in fact a microdata 1600), i have
1) 8 K Core memory board, Microdata assy A20002208 REV G, Date 03/1976
2) 8 K Core memory board, Microdata assy A20002208 REV C, Date 02/1974
3) SORBUS ROMBUG rom board...