Back in the 1970s, Model Engineer had a series about them. One of the firms
that advertised in the magazine produced a kit.

Steve Rayner.


"steamer" wrote in message
...
--Can't remember what zine, what issue it was in; anyone got a
pointer? Also looking for source of larger feed dials; found one in the
PIC Design catalog, but not sure if it's appropriate to the job.
--TIA,

--
"Steamboat Ed" Haas : Quando Omni
Hacking the Trailing Edge! : Flunkus Moritati
http://www.nmpproducts.com/intro.htm
---Decks a-wash in a sea of words---