Category
Other
Medium
Steel and glass
Distinguishing marks
Halophane stamped on the bottom rim along with the four digit number
Condition
Good
Date Period
1950ish
Size and dimensions of this item
Glass is just over 10 in complete unit is just under one foot
Weight
How about 4 or 5 lb
Long Description
Approximately 1950s prism Warehouse lighting glasses stamped Halophane
History
Unknown
For Sale?
Yes