tractor-feed paper sizes?

[Dan Williams]

On Tue, 21 Dec 2004 21:07:04 -0800 (PST), Eric Smith <eric at brouhaha.com> wrote:
> Does anyone happen to know anything about obscure sizes of tractor-feed
> paper?
> 
> We've now got the console typewriter of the PDP-1 at the Computer History
> Museum working correctly.  It is an IBM Model B electric typewriter
> modified by Soroban Engineering for use as an I/O device.  Soroban added
> an encoder and a decoder mechanism, using switches, solenoids, bails, etc.
> 
> There was a bent leaf switch contact that resulted in incorrect character
> codes on input, and two stuck solenoids that resulted in incorrect
> characters typed.
> 
> Anyhow, the typewriter will accept individual sheets, but it also has
> tractors for continuous forms.  But the distance between the sprockets
> is approximately 13 1/8", which is narrower than the sprocket spacing
> of standard line-printer paper.
> 
> A Google search reveals plenty of places that sell 9 1/2" wide or
> 14 7/8" wide continuous forms, but are other sizes readily available?
> 
> Thanks!
> Eric Smith
> volunteer, Computer History Museum PDP-1 Restoration Project
> http://pdp-1.org/
> 
> 
13 1/8 paper is called "foolscap folio". I had a quick check on
google, but I couldn't find if this was American or English foolscap.
But it might be easier to ask for it by name then by size.


Dan