early IC ident: Sperry 1M4

[William Donzelli]

> Obviously I'm curious as to what they are - can't be too complex with 10 pins
> and given the period - but before I sit down with an ohmmeter and power supply
> figured I might as well ask if anybody might know. (Sperry made a lot of
> stuff, so it's too much to presume they were used in UNIVACs, but when did
> UNIVACs move to ICs?)

For a while back in the 1960s, Univac  was in the 2 1/2 generation,
like IBM with SLT. They used IC like things, but with all the logic
steering diodes external to the chip.

--
Will