Three specimens
Three specimens, two of which are radioactive materials, comprising: (1) Zinc sulphide, phosphorescent. (2) Radium barium bromide, anhydrous. (3) Radium barium bromide, anhydrous.
Details
- Category:
- Nuclear Physics
- Object Number:
- 1904-129
- type:
- specimens
- credit:
- George, W. and J. and Co.