18 Mar
2022
18 Mar
'22
10:31 a.m.
I missed a lot of this because g-mail decided to bounce some e-mails.
I would like to make a couple of observations:-
1. Many real accredited museums have a smaller percentage of their artifacts
on display than private collectors. In the UK both TNMOC and the Science
Museum Group have large quantities of hardware that is not displayed.
The science museum usually catalogues it but it is not really helpful if you
can't see it.
2. All the private collectors I know are very happy to show and demonstrate
what they have. It might not be catalogued so well but generally they want
to show it off....
Dave
G4UGM
(Now feeling guilty because what I have is neither catalogued or on display)
18 Mar
18 Mar
11:46 a.m.
On Mar 18, 2022, at 1:31 PM, Dave Wade G4UGM via
cctalk <cctalk at classiccmp.org> wrote:
I missed a lot of this because g-mail decided to bounce some e-mails.
I would like to make a couple of observations:-
1. Many real accredited museums have a smaller percentage of their artifacts
on display than private collectors. In the UK both TNMOC and the Science
Museum Group have large quantities of hardware that is not displayed.
The science museum usually catalogues it but it is not really helpful if you
can't see it.
They might also get rid of stuff, not necessarily for an obvious reason. I saw a case of
this recently, in the Dutch museum Boerhaave in Leiden, which is a national
science-related museum. For a number of years they had on display the world's oldest
broadcast transmitter, an FM transmitter from 1919 invented in The Hague by Hanso Idzerda.
Some time recently it was removed from the museum collection. In that case it went back
to the organization it came from, the Picture and Sound Institute, but whether it will be
displayed by them is not clear. In any case, that's an example of the uncertain
future of artefacts in museum collections.
paul
12:15 p.m.
For a number of years they had on display the
world's oldest broadcast transmitter, an FM transmitter from 1919 invented in The
Hague by Hanso Idzerda.
Interesting as that would have predated the invention of FM by Edwin Howard Armstrong in
1933 (or at least what we thought was the invention). But notably, vacuum tube technology
that existed in 1919 might be hard-pressed to be up to the task. I look forward to doing
some more research on this topic. Thanks!
73 Eugene W2HX
Subscribe to my Youtube Channel: https://www.youtube.com/c/w2hx-channel/videos
-----Original Message-----
From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Paul Koning via cctalk
Sent: Friday, March 18, 2022 2:47 PM
To: dave.g4ugm at gmail.com; cctalk at classiccmp.org
Subject: Re: LSSM is chasing this, was Re: General Data? Computer
They might also get rid of stuff, not necessarily for an obvious reason. I saw a case of
this recently, in the Dutch museum Boerhaave in Leiden, which is a national
science-related museum. For a number of years they had on display the world's oldest
broadcast transmitter, an FM transmitter from 1919 invented in The Hague by Hanso Idzerda.
Some time recently it was removed from the museum collection. In that case it went back
to the organization it came from, the Picture and Sound Institute, but whether it will be
displayed by them is not clear. In any case, that's an example of the uncertain
future of artefacts in museum collections.
paul
1:46 p.m.
On Mar 18, 2022, at 3:15 PM, W2HX <w2hx at
w2hx.com> wrote:
FWIW, in an article I wrote about Idzerda's work I mentioned an analogy: Leif
Eriksson's discovery of America, well before the journeys of Columbus. The difference
is that Eriksson's travels did not produce any historic followup while Columbus's
travels did. Similarly, Idzerda's work was a technological dead end; while a few
additional transmitters were built from his design, it disappeared in the late 1920s, and
the reactance modulator used by Armstrong was a better technology.
In the world of computers you can apply this analogy as well; the Analytical Engine, the
ABC computer, and perhaps Zuse's computers would be examples of early work that
didn't produce any real descendants. Somewhat different but similar are all the
various dead end technology bits, from core rope ROM to bubble memory to magnetic card
memory, all things that had a brief and very limited existence but faded and left no
progeny.
paul
For a number of years they had on display the
world's oldest broadcast transmitter, an FM transmitter from 1919 invented in The
Hague by Hanso Idzerda.
Interesting as that would have predated the invention of FM by Edwin Howard Armstrong in
1933 (or at least what we thought was the invention). But notably, vacuum tube technology
that existed in 1919 might be hard-pressed to be up to the task. I look forward to doing
some more research on this topic. Thanks!
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dave.g4ugm＠gmail.com -
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w2hx＠w2hx.com