There are many styles and sizes of glass shades, many of which are standard. It can be initially confusing trying to figure out the right size and style for your singular fixture or lamp, but here are some guidelines that will assist you in production the right choice.
Table Lamp
First tip: always take measurements from face edge to face edge as this is how glass sizes are classified.
Second tip: Remember that glass is undersize. What does this mean? If the glass is classified as a 2 1/4", or a 7", the actual determination of the glass will be slightly less than its stated size.
The first step is to settle how your glass is held in place.
1. Does the glass sit on a table lamp or chandelier that has a round ring or tripod? You probably want a trainee shade. Measure the ring, face edge to face edge. Standard sizes are 5", 6", 7", 8", 10", 12" and 14". There is often a place for a chimney to sit within the larger ring. Again, Measure that holder, face edge to face edge.
2. Is the glass held in place by three screws and does it have a slightly flared neck? If so, Measure the cup or holder, face edge to face edge.
* If the owner measures just over 2 1/4", you are finding for 2 1/4" fitter shades.
* If the owner measures just over 3 1/4" or 4", you are finding for 3 1/4" or 4" fitter shades. Both sizes come in two styles: either enclosed globes or open shades.
* Glass with 6", 8" and 10" fitters are also ready in enclosed globe styles.
3. Do you have a table lamp that has a brass or glass lowest and the glass sits on a ring with no screws? You may be finding for a Gone With The Wind globe. The ring will Measure just over 4" and the globe will have a right neck that just sits on the ring. There is regularly a smaller owner for a Chimney within the larger 4' ring.
4. Does your glass have a fairly flat occasion with no clear neck? Do you put it on the lamp or fixture nearby the light bulb socket and then screw a ring nearby the threaded part of the protruding socket? If so, you are finding for a Neckless shade. Most of these shades have a 1 5/8" opening.
5. Floor lamps can be very confusing. We have found the most coarse types to be as follows:
* If your lamp is newer, and you need a glass with a 1 5/8"-1 7/8" opening, you may need a Neckless shade. The shade is settled on the lamp nearby the bulb socket, and a ring commonly threads nearby the part of the socket that protrudes.
* Shades on older floor lamps, called Torchieres, have a longish neck that measures 2 3/4" which fits nearby an oversize Mogul light bulb socket.
* There is also a very beloved floor lamp, dating from the 1950"s, that looks like a torchiere but uses a dissimilar type of glass. If your floor lamp has a owner with screws, it will not take the older torchiere style. You need what is called an Ies Diffuser glass shade. Often the Ies shade supports a fabric shade. Ies Diffusers come in three Standard sizes: 2 1/4" fitter with a 6" top diameter, 2 1/4" fitter with an 8" top diameter, and 2 7/8" fitter with a 10" top diameter.
6. Chimneys regularly sit within any prongs or inside of a round gallery. Again, Measure face edge to face edge to settle the strict size.
7. Hurricane glass is commonly used on chandeliers and wall sconces. The owner or cup will Measure about 1 3/4" face edge to face edge. The glass itself is called a 1 5/8" fitter, although the actual determination is closer to 1 1/2".
Hopefully these tips will help you in determining the permissible glass shade for your lamp or fixture. Good luck! Tania Maxwell
choosing the precise Glass Lamp Shade
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