Concept

Potassium

Catalogue

Pictures
Sirop aux Hypophosphites: product label. Colour lithograph.
Date: [1890?/1910]Reference: 529297i
Part of: Labels for pharmaceutical packaging. Colour lithographs.
Books
Online
The decomposition of the fixed alkalies and alkaline earths / by Humphry Davy.
Davy Humphry, Sir, 1778-1829.Date: 1894