[GreenKeys] Slashed zero on Teletypes

[David Christ]

Was talking with my wife who was a professional librarian in the cataloging department of a major university library.  In the 70s while they were still typing the catalog cards all the typewriters lacked a one key so they had to use the lower case L.  When they got computer terminals they had to retrain all the typists to use the one key not the lower case L.

Of course now there are no more catalog cards.

David K0LUM


On May 19, 2015, at 7:48 PM, David Christ <radioham at mchsi.com> wrote:

> While we’re at it then, a number of older typewriters didn’t have a one key.  You used a lower case L instead.
> 
> David K0LUM

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