Old blue siphon from the Brasserie Montplaisir in Toulouse, France

It was filled with seltzer water, which used to be served in bistros. 

Acid inscriptions. Mention of "Property of the Brewery".

Height of 32 cm, diameter at the widest of 35 cm.

Note: a crack in the glass in the upper part and traces of humidity inside as shown in the photos.