Pocket French Microscope
An unusual field pocket microscope. When the search was on amongst the educated to discover all the hidden treasures of Mother Nature, these pocket microscopes were used. A rare and expensive instrument when new, it is brass and nickel plated.
Made for several decades by this maker, it has a draw tube to allow the viewer to vary magnification.
Marked, the words “Brevete”, S.G.D.G.’ indicates it patented without government guarantee. More descriptions and our source for the original instructions are available at this site: https://www.microscope-antiques.com/fruni.html.
In very nice condition.