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> Rare Birds - Unusual Planetariums
mrgare5050
post Aug 20 2011, 07:54 AM
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Definitely adding this one (would love more pictures) to the archives, that thirties date makes it one the oldest known hand made planetariums, we need more info!
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dar303
post Aug 20 2011, 08:00 AM
Post #122


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Great to be able to contribute, i'll try to get some more info for you.
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dar303
post Aug 22 2011, 03:40 AM
Post #123


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QUOTE(dar303 @ Aug 20 2011, 04:00 PM) *
Great to be able to contribute, i'll try to get some more info for you.


It is on display at the museum and I got this picture of it:
(IMG:http://farm7.static.flickr.com/6207/6068527849_5117bfb1f7_b.jpg)
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moonmagic
post Aug 22 2011, 08:55 AM
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How VERY interesting! Thanks for getting the picture and posting it. mm
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Charlie Miller
post Aug 22 2011, 09:05 AM
Post #125


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QUOTE(dar303 @ Aug 19 2011, 04:30 PM) *
Hi,

First post! (IMG:http://www.observatorycentral.com/style_emoticons/default/smile.gif)

I don't know if this is old news to you but there is apparently a working Unglaube projector from 1935 in Borlänge, Sweden. According to the pdf it may be the oldest starball/pinhole projector in the world. I will host the file on my dropbox but it may disappear so download or read if you are interested.

Thank you for a great forum!

/Daniel

Link:
http://dl.dropbox.com/u/14104692/Planetari...lu_laroverk.pdf


That is really a cool, and quite sophisticated, projector effort. Nice to read about. And welcome to this blog.

Can you give us an idea of scale? What's the diameter of the star ball?

Best,

Charlie Miller
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mrgare5050
post Aug 23 2011, 03:45 AM
Post #126


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I guess thats the Milky Way painted on the ball? Dont see any lenses.
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