How and Why to Make a User-Friendly Sidewalk Telescope

How and Why to Make a User-Friendly Sidewalk Telescope

n John L. Dobson
4/5
(1 sagalee kennaa)
Yeroo jalqabaaf maxxanfame
1993
Maxxansitoota
Ten Speed Press
Afaan
English

I got this because I was interested in the man behind the "revolutionary" design of the telescope. What John Dobson revolutionized was large aperture reflectors (thin, plate glass mirrors) on economical, sturdy mounts (plywood and teflon) that anyone could use that would enable one to see the Universe as it really is.

Kitaabota

Kitaabonni walfakkaatan