Mechanical analog computer history...Heathkit

From: Doug Coward <mranalog_at_home.com>
Date: Thu May 10 15:49:40 2001

On Wed, 9 May 2001, John wrote:
> Doug...?

 Sorry, I'm on digest.

On Wed, 9 May 2001, Bruce Ray wrote:
> ...and who has information on that wonderfully-nostalgic ol'
> Heathkit analog computer that existed in the '60s??

 I could probably answer most questions. I have two EC-1s.

> It was the EC-1 that I was thinking of, and was hundreds of dollars in the
> '60s as I recall. Any cover-page art scanned for that to take me back a few
> decades..?

 I have both manuals for EC-1 on CD. I could send you a scan
of the cover from both manuals, but there is not a picture of
the computer on the covers. The EC-1 first appeared in the 1960
catalog. Unfortunity, I can seem to find any of Heath catalogs
after 1959.

On Wed, 9 May 2001, ip500 wrote:
> The Heath ANALOG COMPUTER model ES-400 circa 1957]

  The Heath Electronic Analog Computer (ES-400 is the model
number of just the cabinet kit) was advertised in their catalogs
from 1956 to 1959. I have about half of the kit manuals for
this computer, and no computer.

On Wed, 9 May 2001, Bruce Ray wrote:
> I'll ask, John; what -is- the *exact* Heathkit part number for the EC-1
> computer assembly and user manuals?

 When contacting Heath manual replacement service, you just need
the kit model number.

 Regards,
 --Doug
=========================================
Doug Coward
_at_ home in Poulsbo, WA

Analog Computer Online Museum and History Center
http://www.best.com/~dcoward/analog
=========================================
Received on Thu May 10 2001 - 15:49:40 BST

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