Hartmann and Braun A.G.

Hartmann and Braun, Frankfurt.
Hartmann & Braun was founded in Germany in 1879, becoming a leading supplier of instrumentation devices by the turn of the century. In the 1920's, Hartmann & Braun expanded its offering to control equipment, and has since become a significant supplier of both instrumentation and control equipment to the German and pan-European markets.

Instruments from this maker: