RARE J.G.F.BOHNENBERGER  ELECTROSTATIC ELECTROMETER WIT RARE “DRY ZAMBONI BATTERIES” -ITALY 1870 CIRCA

RARE J.G.F.BOHNENBERGER ELECTROSTATIC ELECTROMETER WIT RARE “DRY ZAMBONI BATTERIES” -ITALY 1870 CIRCA

Stock Number: 1

990

A very rare electroscope with two Zamboni batteries In very good conditions

Circa

1870

Country of manufacture

Other

Categories: Scientific, Early Technology, Physics & Chemistry

Description

   This very rare type of electroscope vas developed by Johann Gottlieb Friedrich Bohnenberger in circa 1814 year . Is equipped with tvo sealed dry  “zamboni ” batteries . The conditions are very good , Italian manufactury . 

 

The Zamboni pile is an early electric battery, invented by Giuseppe Zamboni in 1812. A Zamboni pile is an “electrostatic battery” and is constructed from discs of silver foil, zinc foil, and paper. Alternatively, discs of “silver paper” (paper with a thin layer of zinc on one side) gilded on one side or silver paper smeared with manganese oxide and honey might be used.Discs of approximately 20 mm diameter are assembled in stacks, which may be several thousand discs thick, and then either compressed in a glass tube with end caps or stacked between three glass rods with wooden end plates and insulated by dipping in molten sulfur or pitch.

 

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IT AEQUATORIUM

We are located in Northern Italy and we collect and restore for over thirty years antique scientific instruments. In 1996 it began our activities' about trade , buying and selling scientific and technical items and other art antiquities. We specialize in antique teaching , astronomical, and medical instrumets. In our website (under construction) www.aequatorium.com you can have a more comprehensive view of our field of activity '.