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Hello all,
I received the following enquiry and would like to know whether anyone
here knows details.
Regards,
Juergen Rendtel
>
> Dear Herr Rendtel,
>
> Forgive me for writing in English. Hans Gaab gave me your name group
> when I asked him the following question: for a book I am working on
> concerning the blueness of the sky (and its historical understanding), I
> read a brief mention that Alexander von Humboldt had taken with him on
> his journies a device to measure the blueness of the sky. Would you know
> anything about this, or be able to refer me to someone who might know
> more? I am interested in any facts or history you might know and thank
> you in advance for your help.
>
> With appreciation,
>
> Peter Pesic
> St. John's College
> Santa Fe, NM USA
>
--
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Juergen Rendtel Astrophysical Institute Potsdam
jrendtel_at_aip.de Telegrafenberg A 27
Phone: (+49) 331 - 288 2327 (office) 14473 Potsdam, Germany
Fax: (+49) 331 - 288 2310
http://aipsoe.aip.de/~rend/rnl-p.html
International Meteor Organization
Phone: (+49) 33208 - 50753 (priv.) Seestr.6, 14476 Marquardt, Germany
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