Electroscope Collection

Lecture on Stephen Grays discoveries in electricity
A lecture at the Charterhouse, London on Stephen Grays discoveries in electricity. In the early eighteenth century, Gray demonstrated that charges of electricity could be conducted by some materials

An engraving depicting a gold-leaf electroscope (Bennett's electroscope), 19th century
5311599 An engraving depicting a gold-leaf electroscope (Bennett's electroscope), 19th century; (add.info.: Date: 1878); Universal History Archive/UIG.

Electroscope fitted with microscope, used in the Curies' laboratory, Paris, to detect presence of radioactivity
537804 Electroscope fitted with microscope, used in the Curies' laboratory, Paris, to detect presence of radioactivity

Electrical equipment. Electrical mirror 1, electroscope 2, electrometer 3, 4, battery 5, condesator 6 and electrophorus 7

Electricity (engraving)
5207057 Electricity (engraving) by American School, (19th century); Private Collection; (add.info.: Electricity. Illustration for Farrows Military Encyclopedia by Edwards Farrow)

Physics, 1833-39 (coloured engraving)
999560 Physics, 1833-39 (coloured engraving) by French School, (19th century); Private Collection; (add.info.: A Dictionnaire pittoresque d histoire naturelle et des phenomAnes de la natureA)

Electricity, c1891
Electricity. Various aspects of electricity and electrical apparatus, including Edelmanns Quarter-Cylinder Electrometer (1), Leyden Jar (2), Wimshurst Influence Machine (3), Electrophorus (4, 5)

Electroscope fitted with microscope, 1904. This instrument was used in the Curies laboratory, Paris, to detect the presence of radioactivity. From La Nature. (Paris, 1904)

JAN SZCZEPANIK (1872-1926). Polish scientist and inventor, with a diagram of his telectroscope, a predecessor of the television. Engraving, English, 1898

Gold leaf electroscope (1787) by Bennet, wood engraving, published 1880
Gold leaf electroscope, invanted by Abraham Bennet (English clergyman and physicist, 1749 - 1799) in 1787. This is an instrument for detecting and measuring static electricity or voltage

Digital illustration of electroscope showing electrostatic induction using ballpoint pen and jar

Diagram of an apparatus, c1900, by Ernest Rutherford (1871-1937), that measures the atomic weight of a substance
RUTHERFORD: APPARATUS. Diagram of an apparatus, c1900, by Ernest Rutherford (1871-1937), that measures the atomic weight of a substance

Electroscope fitted with microscope, used in the Curies laboratory, Paris, to detect presence of radioactivity. Engraving published 1904

Electroscope, 1897
Electroscope. 19th-century artwork showing designs of an electroscope, a device that detects and records the presence of static electricity, here by deflection of needles on the gauges

Electrical Apparatus
Various electrical apparatus: Electroscope Electrophorus Geissler tubes Date: 1882

Hallwachss electroscope. This device was used in an 1888 experiment by the German physicist Wilhelm Hallwachs (1859-1922), the results of which were explained by J. J. Thomson

Electroscope experiment, 19th century
Electroscope experiment. This simple version of an electroscope, designed to detect electric charge, is described as a glass flask with a stopper containing a metal rod

19th century Electro-magnetic equipment
Technical illustrations of 19th century items of electro-magnetic equipment. There are 16 early electrostatic devices for generation

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The electroscope, a fascinating electrical equipment, has a rich history in the field of physics. It all began with Stephen Gray's groundbreaking discoveries in electricity, which laid the foundation for further exploration. In an intriguing engraving from 1833-39, we catch a glimpse of the early understanding and fascination with this powerful force. Fast forward to c1891 when electricity took center stage once again. A captivating colored engraving showcases the mesmerizing beauty and complexity of this phenomenon. The image transports us back to a time when scientists were on the brink of unlocking its secrets. Jan Szczepanik, a brilliant Polish scientist and inventor, left his mark on history with his telectroscope invention. Illustrated alongside him is a diagram that highlights his innovative creation. This digital representation reminds us of how far we have come in harnessing electricity's potential. Intriguingly, another illustration demonstrates electrostatic induction using nothing more than a ballpoint pen and jar. This simple yet effective experiment captures our imagination as it reveals one aspect of how an they are be utilized. A wood engraving published in 1880 showcases Bennet's gold leaf electroscope from 1787—an instrument that played an essential role in early electrical experiments. Its delicate design speaks volumes about the meticulous craftsmanship required during those times. Moving forward into the twentieth century, Ernest Rutherford introduced an apparatus around 1900 that measured atomic weight using radium-induced reactions within a vessel placed beneath a gold-leaf electroscope—a testament to scientific progress at its finest. Meanwhile, Marie Curie's laboratory in Paris employed an electroscope fitted with microscope for their research endeavors—providing them with invaluable insights into radiation and radioactivity during their pioneering work. Finally, we encounter an elegant depiction of an electroscope from 1897—a reminder that even after centuries since its inception; this remarkable device continues to captivate scientists and enthusiasts alike.