Glass Message Board

Glass Identification - Post here for all ID requests => Glass => Topic started by: Tony H on January 07, 2007, 04:47:17 AM

Title: Lighthouse Lenses
Post by: Tony H on January 07, 2007, 04:47:17 AM

Hi Guys

Found this when doing a Google search quite interesting

http://uslhs.org/assets/articles/article_fresnel_lens_1.pdf

Tony H in NZ

Title: Re: Lighthouse Lenses
Post by: David E on January 07, 2007, 09:30:19 AM

Thanks Tony. I've written quite a bit about optics, in particular lighthouse lenses, so this is an excellent piece to discover :D

I'll go through it later...

Title: Re: Lighthouse Lenses
Post by: Tony H on January 07, 2007, 09:40:35 AM

David

Glad you found this, here are two more, these are on Chance Glass but you may have seen these already.

http://www.search.revolutionaryplayers.org.uk/content/files/74/93/305.txt 

http://www.search.revolutionaryplayers.org.uk/engine/resource/exhibition/standard/default.asp?resource=2042


Tony H in NZ

Title: Re: Lighthouse Lenses
Post by: David E on January 07, 2007, 10:09:03 AM

Thanks, yes I was aware of Revolutionary Players - an absolute gold mine for historical researchers of the English Midlands' heritage. How did we manage without the internet? 8)