[GreenKeys] 4-hole covers for Teletype manuals?

[E.]

Something like this wouldn’t work?  I might be misunderstanding slightly.



> On Jul 11, 2022, at 2:15 pm, Nick England <navy.radio at gmail.com> wrote:
> 
> Investigating further I see that the problem may not be as bad as I thought.
> The early Bulletins are 4-hole only, but the later ones have 4-hole stiff gray cover sheets with 7-hole (3-hole plus 4-hole) interior pages. So I can just punch an extra 3 holes in the cover sheets and be all set.
> The conversion from 4-hole to 7-hole probably happened when the Bulletins became collections of 57x-xxx-xxx BSPs.
> 
> Whew! - I was looking at a stack of 40 or so unbound manuals and not wanting to 3-punch all those....
> Nick England K4NYW
> www.navy-radio.com
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