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Groups > comp.os.linux.misc > #94452

Re: Metric vs. US/Imperial

Newsgroups comp.os.linux.misc
From Charlie Gibbs <cgibbs@kltpzyxm.invalid>
Subject Re: Metric vs. US/Imperial
References (11 earlier) <gtljqmx5aq.ln2@Telcontar.valinor> <11b7q15$305dq$14@dont-email.me> <p3rkqmxepk.ln2@Telcontar.valinor> <oFSBS.93667$Q3f.29471@fx05.iad> <5vflqmx8bf.ln2@Telcontar.valinor>
Message-ID <EdWBS.93423$TYg.14515@fx21.iad> (permalink)
Date 2026-10-21 03:22 +0000

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On 2026-10-21, Carlos E.R. <robin_listas@es.invalid> wrote:

> On 2026-10-21 01:18, Charlie Gibbs wrote:
>
>> On 2026-10-20, Carlos E.R. <robin_listas@es.invalid> wrote:
>> 
>>> On 2026-10-20 15:23, The Natural Philosopher wrote:
>>>
>>>> On 20/10/2026 09:38, Carlos E.R. wrote:
>>>>
>>>>> On 2026-10-20 08:39, Marc Haber wrote:
>>>>>
>>>>>> Nuno Silva <nunojsilva@invalid.invalid> wrote:
>>>>>>
>>>>>>> Do people in the USA use another numbering for CR2032 batteries? Or do
>>>>>>> they just use the SI units there?
>> 
>> I don't think anyone knows what the "2032" part even means.
>> I didn't myself until recently, when I started correlating
>> it with the numbers on other sizes of batteries (plus a
>> bit of work with a measuring tape).
>
> I chanced on a summer news article that explained it, but I have 
> forgotten. Something about diameter and thickness.

The first two digits are the diameter in millimeters;
the second two digits are the thickness in tenths of a millimeter.

>>>>>> 3,5 Inch Floppies are actually specced as 89 mm. In the 1990ies some
>>>>>> german courts fined companied for not giving the floppy size in SI
>>>>>> units, which prompty led to advertisements like "Diskette 8,89 cm".
>>>>>
>>>>> Wow. That's a funny one.
>>>>
>>>> I wonder what recording tape speeds are quoted in, in Spain
>>>> Or wheel rims
>>>
>>> I don't remember. Cassettes, in mm/s.
>>>
>>> Tape reels, depends on who manufactured them.
>> 
>> I remember seeing decks marked with both units: 7 1/2 ips / 19 cm/s,
>> and 3 3/4 ips / 9.5 cm/s.  So I guess cassettes would be 4.75 cm/s.
>> More or less...
>
> I would have to google, I don't remember :-D
>
> Was there double duration cassettes at half speed?

Dunno, but I heard that there were half-duration cassettes at
double speed.  They didn't last too long, probably due to a
combination of Dolby coming along, plus Philips coming down
on anyone who tried to pull a Microsoft on the specs.

-- 
/~\  Charlie Gibbs                  |  In this world there are
\ /  <cgibbs@kltpzyxm.invalid>      |  two kinds of people:
 X   I'm really at ac.dekanfrus     |  1. Those who can extrapolate
/ \  if you read it the right way.  |  from incomplete data.

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The Leap Second is Dead.  How Will GNU/Linux Cope? Leroy H <lh@somewhere.net> - 2026-10-16 15:45 +0000
  Re: The Leap Second is Dead. How Will GNU/Linux Cope? Andy Burns <usenet@andyburns.uk> - 2026-10-16 16:56 +0100
    Re: The Leap Second is Dead. How Will GNU/Linux Cope? Leroy H <lh@somewhere.net> - 2026-10-16 17:08 +0000
  Re: The Leap Second is Dead.  How Will GNU/Linux Cope? Cóilín Nioclásín Glostéir <thanks-to@Taf.com> - 2026-10-16 19:13 +0000
  Re: The Leap Second is Dead.  How Will GNU/Linux Cope? Stéphane CARPENTIER <sc@fiat-linux.fr> - 2026-10-17 13:29 +0000
    Re: The Leap Second is Dead.  How Will GNU/Linux Cope? gazelle@shell.xmission.com (Kenny McCormack) - 2026-10-17 13:51 +0000
    Re: The Leap Second is Dead.  How Will GNU/Linux Cope? Leroy H <lh@somewhere.net> - 2026-10-17 14:19 +0000
      Re: The Leap Second is Dead. How Will GNU/Linux Cope? "Carlos E.R." <robin_listas@es.invalid> - 2026-10-17 19:37 +0200
        Re: The Leap Second is Dead. How Will GNU/Linux Cope? The Natural Philosopher <tnp@invalid.invalid> - 2026-10-18 11:25 +0100
        Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) gazelle@shell.xmission.com (Kenny McCormack) - 2026-10-18 11:57 +0000
          Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) "Carlos E.R." <robin_listas@es.invalid> - 2026-10-18 14:20 +0200
            Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-18 13:25 +0100
              Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) "Carlos E.R." <robin_listas@es.invalid> - 2026-10-18 14:31 +0200
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-18 14:23 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Stéphane CARPENTIER <sc@fiat-linux.fr> - 2026-10-18 13:35 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-18 18:45 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-18 21:41 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Leroy H <lh@somewhere.net> - 2026-10-19 00:57 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Andy Burns <usenet@andyburns.uk> - 2026-10-19 09:26 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Leroy H <lh@somewhere.net> - 2026-10-19 14:17 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second ...) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-19 02:11 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second ...) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-19 02:38 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second ...) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-19 03:52 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second ...) Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-19 03:56 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second ...) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-19 05:58 +0000
                Re: Metric vs. US/Imperial Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-20 02:41 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second ...) Leroy H <lh@somewhere.net> - 2026-10-19 03:03 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-19 02:49 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-19 11:49 +0100
                Re: Metric vs. US/Imperial Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-20 02:29 +0100
                Re: Metric vs. US/Imperial Leroy H <lh@somewhere.net> - 2026-10-20 01:59 +0000
                Re: Metric vs. US/Imperial gazelle@shell.xmission.com (Kenny McCormack) - 2026-10-20 13:20 +0000
                Re: Metric vs. US/Imperial The Natural Philosopher <tnp@invalid.invalid> - 2026-10-20 14:29 +0100
                Re: Metric vs. US/Imperial rbowman <bowman@montana.com> - 2026-10-20 18:10 +0000
                Re: Metric vs. US/Imperial rbowman <bowman@montana.com> - 2026-10-20 18:05 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-18 20:15 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) c186282 <c186282@nnada.net> - 2026-10-19 00:44 -0400
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-19 11:54 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) "Carlos E.R." <robin_listas@es.invalid> - 2026-10-19 20:27 +0200
              Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) "Carlos E.R." <robin_listas@es.invalid> - 2026-10-18 14:38 +0200
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-18 14:26 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-18 18:59 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) "Carlos E.R." <robin_listas@es.invalid> - 2026-10-19 20:36 +0200
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-20 09:08 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) "Carlos E.R." <robin_listas@es.invalid> - 2026-10-20 10:35 +0200
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-20 14:21 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-18 18:55 +0000
            Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Roger Blake <rogblake@iname.invalid> - 2026-10-18 19:05 +0000
              Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-18 20:41 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Roger Blake <rogblake@iname.invalid> - 2026-10-19 00:15 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second ...) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-19 02:02 +0000
                Re: Metric vs. US/Imperial Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-20 02:18 +0100
                Re: Metric vs. US/Imperial Leroy H <lh@somewhere.net> - 2026-10-20 01:52 +0000
                Re: Metric vs. US/Imperial "Carlos E.R." <robin_listas@es.invalid> - 2026-10-20 10:37 +0200
                Re: Metric vs. US/Imperial Pancho <Pancho.Jones@protonmail.com> - 2026-10-20 11:39 +0100
                Re: Metric vs. US/Imperial The Natural Philosopher <tnp@invalid.invalid> - 2026-10-20 14:22 +0100
                Re: Metric vs. US/Imperial "Carlos E.R." <robin_listas@es.invalid> - 2026-10-20 21:11 +0200
                Re: Metric vs. US/Imperial rbowman <bowman@montana.com> - 2026-10-20 17:45 +0000
                Re: Metric vs. US/Imperial Leroy H <lh@somewhere.net> - 2026-10-20 18:28 +0000
                Re: Metric vs. US/Imperial rbowman <bowman@montana.com> - 2026-10-21 01:05 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-19 11:48 +0100
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-19 02:42 +0000
                Re: Metric vs. US/Imperial Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-20 02:20 +0100
                Re: Metric vs. US/Imperial Marc Haber <mh+usenetspam2616@zugschl.us> - 2026-10-20 08:39 +0200
                Re: Metric vs. US/Imperial Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-20 07:53 +0000
                Re: Metric vs. US/Imperial "Carlos E.R." <robin_listas@es.invalid> - 2026-10-20 10:38 +0200
                Re: Metric vs. US/Imperial The Natural Philosopher <tnp@invalid.invalid> - 2026-10-20 14:23 +0100
                Re: Metric vs. US/Imperial "Carlos E.R." <robin_listas@es.invalid> - 2026-10-20 21:13 +0200
                Re: Metric vs. US/Imperial Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-20 23:18 +0000
                Re: Metric vs. US/Imperial "Carlos E.R." <robin_listas@es.invalid> - 2026-10-21 03:09 +0200
                Re: Metric vs. US/Imperial Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-21 03:22 +0000
                Re: Metric vs. US/Imperial "Carlos E.R." <robin_listas@es.invalid> - 2026-10-21 03:16 +0200
                Re: Metric vs. US/Imperial rbowman <bowman@montana.com> - 2026-10-21 02:31 +0000
                Re: Metric vs. US/Imperial Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-21 03:22 +0000
                Re: Metric vs. US/Imperial Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-10-20 19:04 +0000
                Re: Metric vs. US/Imperial "Carlos E.R." <robin_listas@es.invalid> - 2026-10-20 22:02 +0200
                Re: Metric vs. US/Imperial Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-20 20:29 +0000
                Re: Metric vs. US/Imperial rbowman <bowman@montana.com> - 2026-10-21 02:12 +0000
                Re: Metric vs. US/Imperial rbowman <bowman@montana.com> - 2026-10-20 17:57 +0000
              Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) "Carlos E.R." <robin_listas@es.invalid> - 2026-10-19 20:49 +0200
          Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-18 13:21 +0100
            Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-18 19:04 +0000
          Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Leroy H <lh@somewhere.net> - 2026-10-18 14:07 +0000
            Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Lars Poulsen <lars@beagle-ears.com> - 2026-10-18 11:45 -0700
              Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Leroy H <lh@somewhere.net> - 2026-10-18 19:27 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-19 02:30 +0000
              Re: Metric vs. US/Imperial (Was: The Leap Second ...) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-19 02:06 +0000
            Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-18 19:05 +0000
              Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Leroy H <lh@somewhere.net> - 2026-10-18 19:32 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) gazelle@shell.xmission.com (Kenny McCormack) - 2026-10-18 19:37 +0000
                Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) rbowman <bowman@montana.com> - 2026-10-19 02:20 +0000
              Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-18 20:40 +0100
            Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) "Carlos E.R." <robin_listas@es.invalid> - 2026-10-19 21:00 +0200
            Re: Metric vs. US/Imperial Nuno Silva <nunojsilva@invalid.invalid> - 2026-10-20 03:03 +0100
            Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) Pancho <Pancho.Jones@protonmail.com> - 2026-10-20 11:40 +0100
              Re: Metric vs. US/Imperial (Was: The Leap Second is Dead. How Will GNU/Linux Cope?) The Natural Philosopher <tnp@invalid.invalid> - 2026-10-20 14:26 +0100

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