Imperial fluorescent screen (probably barium platino-cyanide) mounted in unglazed wooden frame

Imperial fluorescent screen (probably barium platino-cyanide) mounted in unglazed wooden frame, in cardboard case, 1900-1924.

Details

Category:
X-rays
Object Number:
1988-1433
Materials:
wood
type:
flourescent screen
credit:
Barclay