Dall Kirkham binoscope , built in 1980s
6 in f15
Nov 1982 S&T
Another article on binoscope making
Norman lived in Hong Kong since 2004. After retirement, he moved to Saipan and Guam to continue his hobby
the book
My personal blog
Dall Kirkham binoscope , built in 1980s
6 in f15
Nov 1982 S&T
Another article on binoscope making
Norman lived in Hong Kong since 2004. After retirement, he moved to Saipan and Guam to continue his hobby
the book
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