Julien P. Friez & Sons

A maker and supplier of meteorological instruments from Baltimore, Maryland. Julien P. Friez (father) founded the company in 1876, which was also known as the Belfort Instrument Co. There was also a meteorological observatory in Baltimore. In the early 1900s, the company was known as Julien P. Friez & Sons. In 1929, the company was acquired by Consolidated Instrument Co. of America. In the late 1940, one of the sons founded the Instruments Corp, and was renamed in 1949 the Belfort Instrument Co., still in existence today.