Magnifying Glass

warsawdaddy

Gold Member
Nov 23, 2004
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69
Edwards,Missouri
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MXT - DeLeon - Gamma 6000

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ANTIQUARIAN

Gold Member
Apr 24, 2010
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Upper Canada 🇨🇦
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Hello warsawdaddy,

This looks like something that would have been made in a spectacle shoppe of some sort. :icon_scratch: It certainly doesn't look to be "factory-made" or home-made" for that matter.

I would assume it is something that the original owner would have "special ordered", possibly because he had a bad eye. :icon_pirat: Though I am not an expert on antique eyeglasses, I do a lot of antique picking for dealers here in Southern Ontario and I have seen these things before. :icon_thumright:

Value would be somewhere in the range of $50 - $100, but as I said, I'm not an expert. :wink:
 

OP
OP
warsawdaddy

warsawdaddy

Gold Member
Nov 23, 2004
5,595
69
Edwards,Missouri
Detector(s) used
MXT - DeLeon - Gamma 6000
Antiquarian said:
Hello warsawdaddy,

This looks like something that would have been made in a spectacle shoppe of some sort. :icon_scratch: It certainly doesn't look to be "factory-made" or home-made" for that matter.

I would assume it is something that the original owner would have "special ordered", possibly because he had a bad eye. :icon_pirat: Though I am not an expert on antique eyeglasses, I do a lot of antique picking for dealers here in Southern Ontario and I have seen these things before. :icon_thumright:

Value would be somewhere in the range of $50 - $100, but as I said, I'm not an expert. :wink:
Thank you.I forgot to mention that the glass is not flat,it is 'bowed'?It also has some small chipping around the edge that fits the frame .
 

Tigershores

Greenie
Sep 10, 2006
18
0
The lens used by your ancestor was a common single Spherical Convex Magnifier used primarily before the invention of the "Bifocal" or Split Lens. The detailed history of the bifocal is found at:

http://www.antiquespectacles.com/topics/franklin/franklin.htm

It was not uncommon to find a gentlemen aged 40 to 50 with presbyopia (deminishing near vision from age) who had decent distant vision carrying a Loupe Magnifier for when he needed to perform near work or reading. It was alot easier to carry than a pair of reading glasses in your pocket while on horseback. Single lenses go back to 965AD. You can look up the history of Optical lenses at:

http://www.antiquespectacles.com/history/ages/through_the_ages.htm

Hope This Helps!

Tigershore
Florida Optician :headbang:
 

Tigershores

Greenie
Sep 10, 2006
18
0
Forgot to mention in last post....Definitely manufactured. These lenses required extensive polishing to get the correct refractive power. Pouch might have been hand made b y your ancestor to protect the highly polished lens.

Tigershores
Florida Optician :headbang:
 

Lucas

Bronze Member
Mar 20, 2010
1,107
10
U of A
Pretty typical 18th century form. Often called a burning glass. The sheet brass and wire frame is typical of English examples.
 

jlasserton

Jr. Member
May 16, 2010
24
0
Nashville
It looks like it could go either way. Whether it is hand-crafted or factory-made, the magnifying glass is awesome. I love the design. I would definitely keep it and not sell it!
 

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