Jeff Duntemann's Technology Projects  
TL
12/2002: My 10" scope in Arizona, on its poured concrete pier. I replaced the original aluminum tube with a cardboard Sonotube in 1974. The yellow is contact paper, because the Sonotube was wax-coated and would not hold paint.
BB

12/2002: My 10" scope in Arizona, on its poured concrete pier. I replaced the original aluminum tube with a cardboard Sonotube in 1974. The yellow is contact paper, because the Sonotube was wax-coated and would not hold paint.


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