On 24 Nov 2008 at 17:30, William Blair wrote:
   (My brain
wants to say it was "how to build a working digital
 computer", but I could be wrong there). I wonder if anyone ever
 actually built one that worked? :-) 
 Your brain is not leading you astray.  That's the book.  Here's the PDF version:
http://www.bitsavers.org/pdf/paperClipComputer/HowToBuildAWorkingDigitalCom…
 
Wow, that player-piano style drum unit caused a dormant neuron to
twitch.  Wasn't there a commercial "educational computer" that was
the spitting image of this thing, but all in a single big long unit?
Pretty much about the same time period as the Heathkit analog
computer, maybe?
Cheers,
Chuck