13 Feb
2014
13 Feb
'14
2:53 p.m.
On 2/13/2014 11:47 AM, Dale Hooper wrote:
This is a short video about Sir Isaac Newton's first reflector and its mirror that some of you may find interesting.
http://www.nethawk.tv/2014/02/sir-isaac-newtons-first-telescope/
Clear skies, Dale.
Interesting, Dale. Thank you for the post. 73