Talk:No symbol

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I read somewhere that the correct "no" symbol has a line running diagonally from top left to bottom right because the symbol is actually a combination of the letters N and O. Anyone have any info on this?

  • What is this opposed to?? The "no" symbol is, of course, a circle with a diagonal line through it, as opposed to the "yes" symbol, which is just a circle. 66.32.118.139 22:40, 13 Apr 2004 (UTC)
  • As opposed to a circle running from top right to bottom left. 68.40.127.32 01:11, 25 August 2005 (UTC)

Replaced Image:Barn_star_free_zone.png with Image:No symbol.png.

Contents

[edit] Article

Can anyone think of a category for this article?? 66.32.255.134 00:15, 18 Jun 2004 (UTC)

Is there a symbols category? porge 02:11, 18 Jun 2004 (UTC)

[edit] Giant Wikipedia article

There is a giant Wikipedia page mentioned in What links here for this article. Can anyone find out what to do with it?? Its title says "Suck". 66.245.16.193 14:41, 17 Sep 2004 (UTC)

[edit] Observations

Quote: On European traffic signs, no diagonal line is used, i.e. the symbol is round with a red border and a (usually black) pictogram on white ground inside.

Not always. See these "No right turn" signs (similar ones are used all over Europe):

Quote: In the UK, a filled blue circle (with no white inner circle) is used to indicate mandatory actions, e.g. the wearing of a helmet on a building site.

That applies not just in the UK but in almost every European country, e.g. (Turn left ahead):

Beware generalizations, however. Compare the "No Entry" and "Straight Ahead Only" signs at [1]. Ireland is in Europe but the regulatory signs there agree with those in use in Argentina ([2]) and Mexico ([3]), amongst other places. -- Picapica 18:26, 27 Mar 2005 (UTC)

[edit] Where did the "No" Symbol come from?

Does anyone have any idea who first drew the no symbol? Or even in what country it originated? Or when? 68.40.127.32 01:13, 25 August 2005 (UTC)

[edit] Medical Use

I have seen the No Symbol on disposible medical devices. It's always written as "2 - space -no symbol", meaning "don't use this item twice." It's interesting that in this usage, the no symbol appears by itself and does not overlap the number two.--Navstar 12:40, 11 June 2006 (UTC)

[edit] Use of Examples

It seems inappropriate to have Bad Religion's crossbuster as the featured image for this article.

[edit] External link not spam

The link to http://www.freesignage.co.uk/prohibition_signs.php was previously deleted as spam. However the images on this site are free, and I do not think they are spam. Instead of adding the link to the UK version, as above, I have added a link to the US sister version since this article currently seems primarily focused on UK usage of the No symbol. − Twas Now 02:29, 9 January 2007 (UTC)