morphed to TTL part number history, was: IBM PLAYING CARDS

[Chuck Guzis]

On 12/20/2005 at 12:10 AM ard at p850ug1.demon.co.uk wrote:

>I recently bought a second-hand Philips 'upright' reel-to-reel tape 
>recorder, and found a schematic glued to the inside of the case. At one 
>time this was quite common on consumer electronic devices I believe.

Not at all uncommon on radios and TVs using vacuum tubes (valves).  Very
useful.  But then early PC's sometimes included schematics in their
end-user documentation.

--Chuck