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Lighting Glassware
Glossary
FITTer (F)
Fitter size is the diameter of the glass where the
glass attaches to the fixture or lamp.
HeIgHT (H)
Distance between the two farthest points
opposite each other on the top and bottom
of the glass that form a vertical line.
DIaMeTer (D)
Distance between two opposite points
at the widest part of the glass that form
a horizontal line.
NeCKless
A piece of glass without a neck.
CeNTer HOle
The opening on a neckless shade and measured
like a fitter. If a piece of glass has a fitter and a
center hole, the center hole is used for lock-up.
DePTH
Distance from the center point inside the
glass to the point directly opposite, this is
measured without mounting.
BUlge
The diameter measured at the widest part of
a chimney.
TOP OPeNINg
Distance between the two farthest points
opposite each other on the top of a student
shade. All top openings are wide enough and
made to fit over the average chimney.
THreaDeD NeCK
A fitter that attaches to the fixture or lamp
by means of threads in the glass.
NOTCHeD FITTer
Designed to lock tightly into specially designed
holders with 1 turn.
*Hand blown glass