A small pattern single glass cased barograph manufactured by Richard Freres of Paris, with the RF logo, serial number 31677 (which dates this instrument to around 1898) and ‘Made in France’ stamped on the lacquered base. The polished light oak case has a 3 glass hinged lid. 
Charts & ink included.

Barograph – Small Pattern by Richard Freres, Paris, Circa 1895


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