SUNDO/Staecker & Olms
Staecker & Olms was founded in 1882 in Hamburg as a manufacturer of air pressure, temperature, and humidity measuring equipment. They currently operate as SUNDO GmbH.
Hygrometer and weather station Catalog HB from 1930 from Staecker & Olms of Hamburg is available below (23 pages):
Thermometer Catalog TD from 1930 is presented below (37 pages):
Barometer Catalog V from 1930 is presented below (16 pages):
Barometer Catalog W from 1930 includes barographs and is available below (25 pages):
Barometer Catalog 36 from 1936 is available below (51 pages):