It's called a Campbell-Stokes Sunshine recorder and it was used for a long time by weather bureaus to record hours of sunshine in a day. They are now collectors' items, and quite valuable if in good condition. Let me know if you find any.
Chuck O'Connell wrote: > Does anybody know the name the device described below? > > It looks like a glass sphere held in the center of a small equatorial > sundial.... --- Ross McCluney, Ph.D. Principal Research Scientist Florida Solar Energy Center, 1679 Clearlake Rd., Cocoa, FL 32922-5703 Voice: 407-638-1414 Fax: 407-638-1439 e-mail: [EMAIL PROTECTED] Florida Solar Energy Center: http://www.fsec.ucf.edu Sundials: http://www.sunpath-designs.com Introduction to Radiometry and Photometry: http://www.artech-house.com --------------------------------------------------------------
