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Joule Collection

Joule, the unit of energy named after James Prescott Joule, an English physicist who made significant contributions to the field of thermodynamics in the 19th century

Background imageJoule Collection: Joule / Electricity Test

Joule / Electricity Test
James Prescott Joule, English physicist, measures the rate at which heat is produced by an electric current. The joule, a unit of work or energy, is named after him

Background imageJoule Collection: Diagram of Joule's apparatus for studying heat

Diagram of Joule's apparatus for studying heat
NWI4757758 Diagram of Joule's apparatus for studying heat.; (add.info.: Diagram of Joule's apparatus for studying heat.); Photo © North Wind Pictures.

Background imageJoule Collection: James Prescott Joule, 1818 - 1889

James Prescott Joule, 1818 - 1889
3083228 James Prescott Joule, 1818 - 1889.; Private Collection; (add.info.: English physicist and brewer. From The Century Edition of Cassell's History of England, published c. 1900).

Background imageJoule Collection: James Prescott Joule, English physicist, 1889

James Prescott Joule, English physicist, 1889. Joule (1818-1889) was born at Salford near Manchester and studied chemistry under John Dalton

Background imageJoule Collection: James Prescott Joule, English physicist, c1895

James Prescott Joule, English physicist, c1895. Joule (1818-1889) was born at Salford near Manchester and studied chemistry under John Dalton

Background imageJoule Collection: James Prescott Joule, English physicist, 1876

James Prescott Joule, English physicist, 1876. Joule (1818-1889) was born at Salford near Manchester and studied chemistry under John Dalton

Background imageJoule Collection: James Prescott Joule, English physicist, 1875

James Prescott Joule, English physicist, 1875. Joule (1818-1889) was born at Salford near Manchester and studied chemistry under John Dalton

Background imageJoule Collection: Joules apparatus for determining the mechanical equivalent of heat, 1881

Joules apparatus for determining the mechanical equivalent of heat, 1881
Joules apparatus for determining the mechanical equivalent of heat, 1872. A vessel of water, oil or mercury encloses vanes attached to a spindle. Cord is wound round the cylinder and drum

Background imageJoule Collection: PSCI2A-00075

PSCI2A-00075
Physicist James Prescott Joule. Hand-colored woodcut of a 19th-century portrait

Background imageJoule Collection: JAMES PRESCOTT JOULE (1818-1889). English physicist. Oil on canvas by George Patten

JAMES PRESCOTT JOULE (1818-1889). English physicist. Oil on canvas by George Patten (1801-1865)

Background imageJoule Collection: James Prescott Joule (1818-1889) English physicist. Mechanical equivalent of heat (J)

James Prescott Joule (1818-1889) English physicist. Mechanical equivalent of heat (J). Engraving from The Graphic, London, 1889

Background imageJoule Collection: James Prescott Joule (1818-1889) English physicist. Mechanical equivalent of heat (J)

James Prescott Joule (1818-1889) English physicist. Mechanical equivalent of heat (J). Engraving 1876

Background imageJoule Collection: James Prescott Joule (1818-1889) English physicist. Mechanical equivalent of heat (J)

James Prescott Joule (1818-1889) English physicist. Mechanical equivalent of heat (J). Engraving from The Science Record New York 1875

Background imageJoule Collection: James Prescott Joules (1818-89) apparatus for determining mechanical equivalent of heat

James Prescott Joules (1818-89) apparatus for determining mechanical equivalent of heat. Vessel of water, oil or mercury encloses vanes attached to spindle. Cord wound round cylinder and drum

Background imageJoule Collection: JAMES P. JOULE (1818-1889). Joule working on his researches into the mechanical equivalent of heat

JAMES P. JOULE (1818-1889). Joule working on his researches into the mechanical equivalent of heat. Colored wood engraving, French, 19th century

Background imageJoule Collection: JAMES P. JOULE (1818-1889). English physicist. Contemporary English color engraving

JAMES P. JOULE (1818-1889). English physicist. Contemporary English color engraving

Background imageJoule Collection: JAMES PRESCOTT JOULE (1818-1889). English physicist. Wood engraving, 1874

JAMES PRESCOTT JOULE (1818-1889). English physicist. Wood engraving, 1874

Background imageJoule Collection: James Prescott Joule

James Prescott Joule
JAMES PRESCOTT JOULE Scientist Date: 1818 - 1889

Background imageJoule Collection: Joules Calorimeter

Joules Calorimeter
Joules current calorimeter Date: 19th century

Background imageJoule Collection: James Prescott Joule, British physicist

James Prescott Joule, British physicist
James Prescott Joule (1818-1889), British physicist. Joule showed that different forms of energy are interchangeable, and that energy cannot be created or destroyed

Background imageJoule Collection: JOULE (1818 - 1889)

JOULE (1818 - 1889)
James Prescott Joule Scientist


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Joule, the unit of energy named after James Prescott Joule, an English physicist who made significant contributions to the field of thermodynamics in the 19th century. Born in 1818 and passing away in 1889, Joule's work revolutionized our understanding of electricity and heat. One of his most notable achievements was determining the mechanical equivalent of heat through his apparatus. This groundbreaking invention allowed for precise measurements that established a relationship between mechanical work and thermal energy. In various portraits captured throughout his lifetime, we see a man dedicated to unraveling the mysteries surrounding energy. From oil on canvas by George Patten to pen and ink drawings from the 20th century, these images depict a brilliant mind at work. Joule's experiments paved the way for advancements in electrical power generation and distribution systems that we rely on today. His discoveries laid a foundation for modern physics and engineering principles. The joule is now widely used as a standard unit to measure energy across different fields such as mechanics, electronics, and even nutrition. It represents both potential and kinetic forms of energy present in everyday life. As we continue to harness electricity's power for technological progress, let us remember James Prescott Joule - an innovator whose legacy lives on through this fundamental unit of measurement bearing his name.