IBM 1620 invalid character symbol
Philippe Verdy via Unicode
unicode at unicode.org
Tue Sep 26 08:28:37 CDT 2017
This is what is printed in the manual by its editor that probably used
metalic fonts, however I doubt the actual typewriter had this symbol on the
wheel of hammers, and it was probably just overtriking the two letters X
2017-09-26 15:03 GMT+02:00 John W Kennedy via Unicode <unicode at unicode.org>:
> I don’t know what your snippet is from, but the normally authoritative IBM
> manual, A26-5706-3, IBM 1620 CPU Model 1 (July, 1965) displays what is
> clearly the Cyrillic letter. Whether it should be regarded as that, or as a
> distinct character, is another question. See http://www.bitsavers.org/
> On Sep 26, 2017, at 12:48 AM, Leo Broukhis via Unicode <
> unicode at unicode.org> wrote:
> Wikipedia (https://en.wikipedia.org/wiki/IBM_1620#Invalid_character)
> describes the "invalid character" symbol (see attachment) as a Cyrillic Ж
> which it obviously is not.
> But what is it? Does it deserve encoding, or is it a glyph variation of an
> existing codepoint?
> The question is somewhat prompted by
> 2BFF 1 HELLSCHREIBER PAUSE SYMBOL
> in the pipeline, although I learned about both earlier today within a few
> minutes of one another.
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