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and 45 degree angled mirror
Complete with original glass cylinder
Source: 1919 Tyco's Industrial Equipment Catalog (page 74)
0 MΩ Patents Pending' are there to help control electrical discharge
Mid-20th century reproduction of Victorian style (contains Phillips head screws)
Antique Harris-Style Gold-Leaf Electroscope monocular and 45 degree angled mirrorEarly 20th century Harris Style gold leaf electroscope. A fine single leaf electroscope used to demonstrate electrostatic charge. Mahogany housing with lacquered brass components, Bakelite insulator, and gold leaf indicator. A pristine, custom build. Unsigned, English made. First invented by Abraham Bennet in 1786, this Harris style electroscope is more sensitive and advanced in comparison to the older pith ball style electroscope. The device works
US$ 6049.50
US$ 12.99
US$ 10.99
