![](https://coimages.sciencemuseumgroup.org.uk/87/large_thumbnail_1923_0673__0001_.jpg)
Imperial fluorescent screen (probably barium platino-cyanide) mounted in unglazed wooden frame
- Made:
- 1900-1924
Imperial fluorescent screen (probably barium platino-cyanide) mounted in unglazed wooden frame, in cardboard case, 1900-1924.
Imperial fluorescent screen (probably barium platino-cyanide) mounted in unglazed wooden frame, in cardboard case, 1900-1924.