At the Teide Observatory on Tenerife in the Canary Islands there is a vertical planar dial mounted to the side of one of the observatories. The altitude of Teide is 2,400 m. A photo taken a few days ago is available. Michael E. Mickelson Professor of Physics Department of Physics and Astronomy Denison University Granville OH 43023 [EMAIL PROTECTED] Office: 614-587-6467 FAX: 614-587-6240
