Richter and Weise
Since c. 1908 Richter & Weise supplied and manufactured oceanographic instrumentation. Until c. 2000, they were one of the world's last remaining producers of glass reversing thermometers. In 1995, Richter & Wiese diversified into the manufacture of water bottles. E. Richter & Wiese, Berlin N.4, Chausseestr 42.