Washburn telescope optics get 130-year checkup

[kustard]

I found this an interesting read.

http://phys.org/news/2012-05-washburn-telescope-optics-year-checkup.html

Cheers,
Simon

[astroron]

Same here Simon, Would have liked more photo's though .
Cheers :thumbsup:

[big_dav_2001]

Very interesting read... Ketchup to clean brass?? Who woulda thought..

Thanks for the article
Davin

[Ric]

Cheers Simon, very interesting.

He wouldn't want to use my home made ketchup though, it's full of chillies. Probably eat the brass away in 30 seconds. :D