Bible Encyclopedias
Thallium
The Nuttall Encyclopedia
A rare metallic element similar to lead, but heavier, discovered in 1861 by the green in the spectrum in the flame as it was being volatilised.
Copyright Statement
Public Domain.
Bibliography Information
Wood, James, ed. Entry for 'Thallium'. The Nuttall Encyclopedia. https://www.studylight.org/​encyclopedias/​eng/​nut/​t/thallium.html. Frederick Warne & Co Ltd. London. 1900.