Hygrometre de Precision Thermometre Centigrade (0725)
Index: 0725
Year: Assume early 1900's
Maker: A. Fisch, Bruxelles
Dimensions: 11 x 14 x 3 cm
Info
A combination of a Hygrometer and Temperature meter. Temperature in centigrade.
On the back, inscriptions "P H B N"
