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There are a few different tricks that glass collectors use to determine the age of glass. One way is by using an ultra violet light which shows old lead glass as a blue-purple colors and new soda glass as a green-yellow color. Other ways are pontil marks, thickness, even/lopsided, and style.
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Why is a thermometer glass so thin?
The glass is so thin so it can tell the tempature. If the glass were thicker, the thermomiter would be wrong.
How do you tell the difference between plexiglass and glass?
By the shape
How do you tell the difference between plexiglas and glass?
Plexiglas weighs less
We have a 3/8" thick glass coffee table top which we want to shorten. We are told if the glass is tempered- no can do. True any way to tell if a piece of glassis tempered?
You can not cut tempered glass because once a piece is broken the whole glass shatters. Tempered glass is safer because it breaks into tiny pieces rather than sharp edges like regular glass. The only way to tell if a glass is tempered is to break the glass or use a polarizer to detect stress waves. You will see stress waves in tempered glass verses regular glass. Hope this helps.
How can you tell a glass of water has thermal energy?
The thermal energy can be measured with a thermometer, if that's what you're asking.
Can you tell me how to tell how old my glass bottle is?
The age of a 7 Up bottle could be determined by a professional. If the bottle is assumed to be an antique, an antique retailer should be able to give information about the bottle.
How can you tell if a bead is glass?
Glass beads are heavier than plastic
How do you tell if it is a diamond or glass?
diamond is harder if it can be scratched by a rock its glass
How can you tell the diamond is glass or not real?
Diamond should scratch a piece of glass.
How can you tell the age of your dog?
how can i tell the age of a dog
Is glass glass?
As far as anyone can tell... yes. There has not yet been found an example of glass that is not glass. I say nay, glass is melted sand, so glass is sand.
How do you find out how old a bottle of Seagrams 7 Crown whiskey is?
The only way to tell is if there is a date written some where on the bottle, either on a label or imprinted in the glass. If there is none of these only really an expert will be able to tell you.
Was glass invented in the bronze age?
yes
Why is a thermometer glass so thin?
The glass is so thin so it can tell the tempature. If the glass were thicker, the thermomiter would be wrong.
How can you tell glass from semi precious stone beads?
There are many ways to tell glass from semi precious stone beads. EHow has published an article on how to tell glass from semi precious stone beads, which describes how to inspect the sound, texture, bead, and cut of the specimen.
Can the chestnut on a horse tell its age?
No, you can tell a horses age by it's teeth.
How can you tell the age of a coyote?
You can tell the age of the coyote by the size of the teeth on the coyote.
