Fairly early examples are:
2/70 TEC inc. model 410/415, 420/425, 430/435
4/70 Applied Digital Data Systems (ADDS) Consul 920
My old friend Ray Borrill's first company...
5/70 Univac Uniscope 100
10/70 Hazeltine 2000
Ah, one of my favorites, used magnetic core for the memory;
however, it would usually lose a byte or two on either
powering down or back on again...
-dq