SCHMITZ, P. |
Holland, c.1837, PHIM |
Hygrometer = UTR. |
sensitive material is wood; Schmitz was assistant to Prof. J.G. Crahay, Athenaeum at Massricht; later an engineer at Delft; made barometers and thermometers. |
Maasricht; Delft. |
Crommelin; Rooseboom 1. |