Phloxine tetra fu or pu? P. Monnet & Co., Geneva in...
Phloxine tetra fu or pu? P. Monnet & Co., Geneva in Switzerl
Phloxine tetra fu or pu? P. Monnet & Co., Geneva in Switzerland. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1900.