3" Aurora Borealis U-Drop Prism, ~4-1/4" overall length (55034A) 1/8F x 1/8F burns 12 hours on 9

burns 12 hours on 9 ounces of fuel

4-5/8 inch bulge

which will mount to most antique Library Lamp frames

Black satin finish

1/8F (7/16 inch dia) center hole and NO wire way hole

3" Aurora Borealis U-Drop Prism, ~4-1/4" overall length (55034A) 1/8F x 1/8F burns 12 hours on 9Features: Aurora Borealis iridescent U Drop with brass pins This crystal is commonly referred to as a U drop prism, and it is most commonly associated with Library Lamps of the Victorian kerosene era This particular lamp crystal is clear and has a body length of 3" (not including the top bead), but is available in smaller and longer lengths, and several different colors The U drop prism is comparatively inexpensive and very versatile in application