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Groups > comp.os.linux.misc > #94439

Re: Metric vs. US/Imperial

From "Carlos E.R." <robin_listas@es.invalid>
Newsgroups comp.os.linux.misc
Subject Re: Metric vs. US/Imperial
Date 2026-10-21 03:16 +0200
Organization Tebibyte_Retro_Gaming
Message-ID <6dglqmxich.ln2@Telcontar.valinor> (permalink)
References (10 earlier) <11b72b2$222bd$1@news1.tnib.de> <gtljqmx5aq.ln2@Telcontar.valinor> <11b7q15$305dq$14@dont-email.me> <p3rkqmxepk.ln2@Telcontar.valinor> <oFSBS.93667$Q3f.29471@fx05.iad>

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On 2026-10-21 03:09, Carlos E.R. wrote:
> On 2026-10-21 01:18, Charlie Gibbs wrote:
>> On 2026-10-20, Carlos E.R. <robin_listas@es.invalid> wrote:


>>>> 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

4.76 cm/s says google.

> 
> Was there double duration cassettes at half speed?

Yes! Says google. 2.38 cm/s :-)

https://en.wikipedia.org/wiki/Cassette_tape

-- 
Cheers, Carlos.
ES🇪🇸, EU🇪🇺;

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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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