Antique Harris-Style Gold-Leaf Electroscope lincoln with an adjustable pointer to

with an adjustable pointer to read relative humidity and dew point temperatures via engraved nickel-silver plate

downing twenty-six enemy flyers and emerging at war's end as the nation's ace of aces

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But the seemingly indestructible Eddie did not thrive well under the new competitive conditions in the postwar airline industry

Antique Harris-Style Gold-Leaf Electroscope lincoln with an adjustable pointer toEarly 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