It's impossible to say without photographs.
Roughly, they are worth anywhere between USD40 to 150, in good condition, for an early 20th century model. Obviously, you can find older examples at steeper prices.
Check out the link below:
http://www.aspireauctions.com/auction55/11096.html
Specifically:
http://www.aspireauctions.com/auction55/details/11102.html
The most well-known marques of Opera glasses are: Lemaire, Chevalier, Marchand, Audemair, with Lemaire being the most covetted.
Please note that there are several forged examples out there, since "antiqued" 19th Century versions CAN be pricey (opera glasses didn't start to gain in popularity until the 1840s. Before, telescoping spyglasses were used).
The fold-out brass handle is formally called a "lorgnette". The term is universal in all visual wear.
E.g.:
Lorgnettes in normal eyeglasses were very popular with older Victorian/Edwardian women who didn't want their faces marred by wearing glasses all the time.
If you post a photo, it would be easier to evaluate, but note, I am not an expert. Just a collector.
you handle them by combing them to make one great drug
It depends on how you handle glass objects.
no it is not because it is not safe to handle
is neon safe to handle
Explain how to handle the following computer Cans: Answer text
Cup
there are screws in the door, and holding the handle on. You can get to the ones holding on the handle by pulling off the covers on each side of the door handle inside.
with tear drops and sun glasses
The flush mech or flapper is faulty or your handle needs to be adjusted.
The handle of a flashlight is used for holding th flashlight. You firmly grip your hand around the handle and then you can use the flashlight. to hit idiots like you
a handles is something you can't handle
First remove the door panelRemove the moisture barrier.Disconnect the rods from the handle inside the door.Next remove the two bolts holding the handle on.
Put them in a safe childproof cabinet This i s usually a good idea. Also don't use them very often if they are good glasses.
Put them in a safe childproof cabinet This i s usually a good idea. Also don't use them very often if they are good glasses.
Put them in a safe childproof cabinet This i s usually a good idea. Also don't use them very often if they are good glasses.
The word tang means the metal prong holding a weapon to the handle.
First remove the door panelRemove the moisture barrier.Disconnect the rods from the handle inside the door.Next remove the two bolts holding the handle on.