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Glass-stoppered bottle containing thallium

1801-1892 (prepared)

Thallium

1862-1880

Scintillation crystal in cardboard packaging

1961

Scintillation counter with Mullard photomultiplier tube, crystal scintillator,and lead shielding (serial no 315, case serial no 830), unsigned, supplied by Atomic Power Constructions Limited, Heston Middlesex, 1955-1969

One Scintillator photomultiplier tube with lead sh

1955-1969

Metallic Thallium (150.5 grammes), mid 19th century

Metallic Thallium (150.5 grammes)

1830-1860

Sample of thallium metal in corked tube approximately 2" long, labelled "Thallium met" on typed label from Sir William Crooke's private Research laboratory

Sample of thallium metal in corked tube approximately 2" long.