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Today I posted four documents on the website, available for download:
  1. An 1860 catalog from the UK instrument manufacturer L. Casella.  See Casella Catalogs.
  2. The original 1852 edition of Guyot's Meteorological Tables.  See Reference Document Downloads.
  3. The 1905 edition of the US Weather Bureau's Instructions for Sunshine Recorders, Circular G by C F Marvin.  It's on a new pyranometer download webpage.  See Pyranometer Downloads.
  4. The 1923 edition of the same manual, also on the pyranometer download page.
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I'm Walter, the webmaster and blog moderator

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