[sdiy] Identification of 1970's logic parts?

[Roy J. Tellason]

On Thursday 08 July 2004 08:29 pm, Monty Brandenberg wrote:

> Manufacture date is 1970.  Logo is an outlined box with small 's' inside
> (LSI?).

While I don't recognize that logo from your description,  perhaps you'll find 
it at Dial Electronics.  They've got a whole page full of semiconductor 
logos,  with links to the various mfr's web pages (though some of those are 
incorrect).