Huge scale probably made for a chemist shop.
The motifs at the top are classic Art Nouveau, as is the font on the writing. The 0 marker is also marked GE which is for Glace or Ice and because the Art Nouveau fashion came from Paris, it became cool to use French terminology in English language as well.
The mercury filled tube is original, and the dark marks at the top are just a little dirt behind on the outside, which will be cleaned off before we bring it to the shop. The enamelled face is black and white and all sound. This piece will be fine outside on a wall for many years to come but it is rare and very hard for me to part with. Normally they have advertising on them and for me this can spoil the look.
The sizes are H83cm by W13.5cm the depth is just 0.5cm.