[Bell Historians] proto-National Bell Register work

[Mark Humphreys]

JEC:
> I've just seen Mark Humphreys's contribution, which is 
> basically correct, except when he says:
> 
> "If, however, you followed their exact formatting, you would 
> be infringing copyright (if such copyright were claimed)."
> 
> Not so. You would be infringing copyright whether it is 
> claimed or not. There is no need to claim it (see above).

Sorry for this - a slight mistake but I hope the rest is clear and basically
correct!

Mark