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From: kludge@panix.com (Scott Dorsey)
Newsgroups: rec.arts.sf.fandom
Subject: Re: AKICIF:   The Shape of Asterix
Date: 14 Sep 2024 16:15:32 -0000
Organization: Former users of Netcom shell (1989-2000)
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Paul Dormer <prd@pauldormer.cix.co.uk> wrote:
>(Amusing fact.  The height divided by the width of a sheet of A4 is
>almost exactly the square root of 2.  Turn a sheet of A4 to landscape and
>cut it in half and you have two sheets of A5.  Put two sheets of A4 next
>to each other and you get a sheet of A3.)

It is a harmonized system, and is referenced to a specific sheet size which
was manufactured by hand on a screen and then sliced down for different
uses.

We have a similar arrangement in the US where 11x17 sheets turn into two
8.5x11 sheets which turn into two 5.5x8.5 sheets and so forth, except that
they all have names many of which today are mostly meaningless....

And then we have book sizes which were all functions of the original
folio size but with the coming of rotary presses are all different now...
--scott
--scott
-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."