[GreenKeys] Why has the '#' symbol been called a number sign, pound sign, and now 'hashtag'?

[Paul Heller]

Someone just wrote me and pointed out:

> You can find plenty of 19th century (pre teletype) commercial documents where # is used to mean pounds.


Oh well. Like most stuff out there - can't believe much of anything you find these days. Sad, isn't it?

I guess it is time to stop posting stuff I come across....

Paul

> On Jun 11, 2017, at 6:33 PM, Paul Heller <paul0926 at comcast.net> wrote:
> 
> I was doing some research on the US dollar sign and the problems with telex/teletype machines in Germany sending an answerback when they receive it, and came across this rather interesting article which covers the pound sign (which is named such because of teletype days!)
> 
> https://www.quora.com/Why-has-the-symbol-been-called-a-number-sign-pound-sign-and-now-hashtag
> 
> Paul
> W2TTY
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