0
= plastic spectacle Glasses lenses invented 1934 =
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
Who invented plastic spectacle lenses?
Fredrick Douglass
What are other lenses than glasses?
Plastic
What does spectal mean?
Spectacle means glasses, mostly contacts or lenses. If you wear glasses, you are wearing spectacles.
Do plastic glasses with polycarbonate lenses float?
Mine didn't.
Who invented plastic lenses?
Fredrick Douglass
What happens if you splash petrol on spectacle lenses?
The lenses get petrol on them.
Who discovered eye glasses?
There are many theories for who invented the first pair of eyeglasses. There is evidence of eyeglasses in China from 1270, and the Chinese claim that they imported spectacle technology from the Middle east in the 11th century, but there are also some theories that they were first invented in Italy between 1280 and 1300.
How do you remove oil based paint from eye glasses?
Are we talking lenses or frames? Very careful physical removal is probably the best way. If it is on the lenses and the lenses have a coating on them, there is a good chance that the coating has bonded with the paint. Sharp plastic like a plastic knife to 'push' the paint off the glasses.
Does Mark wear glasses?
Yeah he has nerd glasses, but I don't think they're prescription, they probably have fake plastic lenses or something.
What country were glasses invented in?
USA. Benjamin Franklin fist invented bifocal lenses to see near or far.
Do glasses have lenses?
the glasses that you wear have lenses
Is spectacles made of glass?
Not all... Some spectacle-makers use plastic lenses instead of glass.
