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project mac 50 years

Joel Moses

Photo courtesy of J Moses
Joel Moses (details on equipment he's next to?)


that was Joel's MACSYMA Consortium DEC computer.

My guess: The computer in the background is MIT-MC, a DEC KL-10 with 512K 36-bit words of memory in 1976. Later (1977 or 1978?) a 1M word memory unit was added on, giving it a total of 1.5M words of memory.