Unknown Vaseline/Uranium Glass

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I picked up a set of five (one was chipped) of these stems when I was in the U.S. earlier in the year.  I figures, and I was right, that I would have difficulty identifying them as their shape is fairly common I think.

I am guessing that these are a small wine at 5 1/2 inches tall with openings of 2 1/2 inches.  There is a narrow optic.

I do not really know the difference between uranium and vaseline glass.  The two terms see to be used interchangeably by some.  This is now the Encyclopedia of Glass by Mark Picvet defines each:

“Uranium Glass – A brilliant fluorescent yellowish-green glass produced by the addition of uranium oxide.  Due to the nature of the metallic element uranium, uranium glass is mildly radioactive (but not harmful) and glows brightly under a black light.  It was first made in the 1830s in Germany.”

“Vaseline Glass – Glass made with a small amount of uranium oxide (usually 1% or 2%) that imparts a light greenish-yellow color (a greasy appearance like vaseline).  Vaseline glass usually glows under a black light.  Vaseline-like glass was first made by the Romans; however, it was not used in glass production in any quantity until the mid-nineteenth century.  The term “Vaseline” was not used until about 1937.  Note that the English usually refer to Vaseline glass as “Lemonescent” which has also been called canary, yellow, uranium, topaz, magic, Canaria, |Chameleon, Anna Yellow, Annagrun, and Lenora Green.”

I am guessing that my stems are Vaseline.  Any hints as to their provenance will be appreciated!

 

 

 

Cambridge 3-lite Candelabrum no. 638 with Apple Blossom etch

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I was scrolling back through the last few items that I have posted and was struck by the pretty colours.  This piece is no different.

It is a very pretty pastel blue.  The book Colors in Cambridge Glass II by the National Cambridge Collectors, Inc. provides some history on this shade – Willow Blue.

The authors state (pg. 50) that the colour was introduced in the summer of 1928.  They also comment that “…..may confuse Willow Blue with Moonlight since both are transparent light blues.  For the most part they can be distinguished by the blank as there is no overlapping of colors.  Pieces from Decagon, Round, 3400 and other 1920s and early to mid-1930s lines will be in Willow Blue, while Moonlight was used primarily with the Caprice and Gyro lines.  The one area of overlap was in the Everglade line where early pieces were in Willow Blue and some later production did utilize Moonlight.”

The authors further state that the name Willow Blue was discontinued in the summer of 1933 and then became known as Eleanor Blue.

I also learned that the blue shade called Moonlight is Moonlight NOT Moonlight Blue.