Demo Collection (page 9)

Claude Chappe demonstrating his optical telegraph (semaphore) system in 1793 (c1870). Chappes (1763-1805) system was in use in France and French colonies until about 1850

Spectrum analysis, 1873. A magic lantern being used to project slides during a lecture on spectrum analysis at the Royal Polytechnic Institution, London

Von Guerickes demonstration of the strength of air pressure, 1672. In the mid 17th century Otto von Guericke used an air-pump to remove the air from between two large close-fitting copper

Euclid, Ancient Greek mathematician, demonstrating to his students, 1806. Artist: James Basire II
Euclid, Ancient Greek mathematician, demonstrating to his students, 1806. Euclids (fl300 BC) main achievements in mathematics were in the field of geometry. Frontispiece of Euclids Opus Elementorum

Hypnosis, 1889. Placing a patient under the influence of hypnotism, top, and releasing him from that influence, bottom. From The Illustrated Practical Mesmerist by William Davey. (London, 1889)

Hypnosis: introvision (power of looking into a body), 1889. The most practical and valuable aspect of supersensuous perception, is known as introvision

Jean Martin Charcot demonstrating hypnosis, 1879. Charcot (1825-1893), French neurologist and pathologist, demonstrating the production of hypnosis using beam of light from a magic lantern

Hypnosis subject suffering from imaginary toothache, 1891. An Irish physician using the pseudonym Dr Stanley gave a demonstration of hypnosis using the methods of French neurologist Jean Martin

Subject going into a hypnotic trance, 1891. An Irish physician using the pseudonym Dr Stanley gave a demonstration of hypnosis using the methods of French neurologist Jean Martin Charcot (1825-1893)

Subjects hypnotised by the sound of a gong, 1891. An Irish physician using the pseudonym Dr Stanley gave a demonstration of hypnosis using the methods of French neurologist Jean Martin Charcot

Hypnotised subject in a state of catalepsy, 1891. An Irish physician using the pseudonym Dr Stanley gave a demonstration of hypnosis using the methods of French neurologist Jean Martin Charcot

Hypnotised subjects attracted by a matchbox, 1891. An Irish physician using the pseudonym Dr Stanley giving a demonstration of hypnosis using the methods of French neurologist Jean Martin Charcot

William Harvey demonstrating to King Charles I his theory of the circulation of the blood, 1851. Artist: H Lemon
William Harvey demonstrating to King Charles I his theory of the circulation of the blood, 1851. The English physician William Harvey MD, FRCP, was attached to St Bartholomews Hospital

Demonstration of a Testudo, a formation of shields by Roman soldiers based on details from Trajans column

London Dockers Strike, September 1889. Among the aims of the strike was the establishment of a minimum wage of 6d (2.5 pence per hour) but it failed

King Canute trying to turn back the tide, early 11th century (early 20th century). Canute (Sveinsson Knut) (d1035) was King of England from 1016, Denmark from 1018 and Norway from 1030

Foucault using his pendulum to demonstrate the rotation of the Earth, Paris, 1851 (1887). Leon Foucault (1819-1868) demonstrating the rotation of the earth using a freely suspended pendulum in

Marchers in St Petersburg, Russian Revolution, 1917. A large demonstration on the streets of St Petersburg, where the Russian Revolution began

Demonstration in Copenhagen Fields, London 21 April 1834. Artist: W Summers
Demonstration in Copenhagen Fields, London 21 April 1834. This was a protest against the deportation of the Tolpuddle Martyrs, the Dorset agricultural workers deported to Australia for association

Demonstration against Joseph Chamberlain, Ireland, 1899. Artist: Oswaldo Tofani
Demonstration against Joseph Chamberlain, Ireland, 1899. An illustration from Le Petit Journal, 31st December 1899

Torsten Nordenfeldts steam-powered submarine, 1885. Torsten Nordenfeldts steam powered submarine being demonstrated off Landskrona, Sweden

Print satirising Franz Anton Mesmer, 1784
Print satirising Mesmer, 1784. In 1779, soon after the publication of his treatise Memoire sur la decouverte de magnetism animal, Franz Anton Mesmer (1734-1815), the founder of Mesmerism

Title page of Andreas Vesalius De Humani Corporis Fabrica, showing Vesalius dissecting body, 1543
Title page of Andreas Vesalius De Humani Corporis Fabrica, showing Vesalius dissecting a body, 1543

Alessandro Volta, demonstrating his pile (battery) to Napoleon, (c1800) 1901
Alessandro Volta (1745-1827) Italian physicist, demonstrating his pile (battery) to Napoleon. From Le Petit Journal, Paris, 1901

Foucaults pendulum in the Pantheon, Paris, 1851 (1887). Jean Bernard Leon Foucault used this pendulum to demonstrate both the rotation of the Earth and the concept of inertia

Repeat of Foucaults demonstration of the Earths rotation, May 1851 (c1890)
Repeat of Foucaults demonstration of the Earths rotation made at the Polytechnic Institution, London in May 1851 by Dr Bachhoffner. Engraving published c1890

Demonstrating the Earths rotation using Foucaults pendulum in a church, 1881

Treatment of Tuberculosis using electricity, 1901. Francisque Crotte demonstrating his cure for tuberculosis using electricity produced by an electrostatic machine

John Logie Bairds first television demonstration, 1926. Photograph taken from the screen of his first Televisor

CM12 2832 William Lynch, Fittipaldi Cosworth F8
William Lynch, Fittipaldi Cosworth F8, Ground Effect, Grand Prix, demo, Goodwood 74th Members Meeting, March 2016, 74th members Meeeting, cars, circuit racing, demo, England, Formula 1, Formula One

CM12 2810 William Lynch, Fittipaldi Cosworth F8
William Lynch, Fittipaldi Cosworth F8, Ground Effect, Grand Prix, demo, Goodwood 74th Members Meeting, March 2016, 74th members Meeeting, cars, circuit racing, demo, England, Formula 1, Formula One

CM12 2808 Albrecht Hse, Alfa Romeo 179B
Albrecht Hse, Alfa Romeo 179B, Ground Effect, Grand Prix, demo, Goodwood 74th Members Meeting, March 2016, 74th members Meeeting, cars, circuit racing, demo, England, Formula 1, Formula One

Women's League of Health
The Women's League of Health and Beauty presenting an exercise demonstration in Hyde Park. The League was founded in 1930 by Mary Bagot Stack. Date: 1932

PICTURE 12 of the 14 SEQUENCE. The Box Camera - a series of pictures demonstrating how to use it. Picture shows: After hardening, the prints are well washed again

PICTURE 13 of the 14 SEQUENCE. The Box Camera - a series of pictures demonstrating how to use it. Picture shows Glazing Prints : rolling the prints down. For extra flattering

PICTURE 10 of the 14 SEQUENCE. The Box Camera - a series of pictures demonstrating how to use it. Picture shows Putting the prints through a wringer. It wrings out any extra water

PICTURE 7 of the 14 SEQUENCE. The Box Camera - a series of pictures demonstrating how to use it. Picture shows : placing exposed paper in the developer A box camera is a simple type of camera

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"Unveiling the Power of Protest: A Glimpse into Historic Demos" Met Police officers during Grunwick dispute: Witness the clash between authority and workers' rights as Met Police officers confront protesters during the iconic Grunwick dispute. Women's Rights Demo / 1906: Step back in time to witness the fierce determination of suffragettes fighting for women's rights in a historic demo from 1906. Communist Demo 1931: Explore the fervor of political ideologies as communist demonstrators take to the streets, demanding change and equality in a powerful display from 1931. Votes for Women Hyde Pk: Feel the energy surge through Hyde Park as suffragettes gather, demanding their right to vote in an empowering demonstration that shook society. Crofters of Lewis Riot: Uncover a lesser-known chapter of history as crofters on Lewis Island rise up against oppressive landowners, igniting a riotous demo that echoes with resilience. Foucault Demo, 1851: Dive into intellectual dissent as philosopher Michel Foucault leads a thought-provoking demonstration challenging societal norms and advocating for freedom in 1851 London. Demonstration in London - Tariq Ali (b. 1943): Join renowned writer, journalist, and filmmaker Tariq Ali at a vibrant London protest where voices unite against injustice under his influential leadership. Votes for Women Air Balloon, 1909: Soar above prejudice with courageous suffragists who took their fight to new heights by floating high above cities aboard air balloons adorned with messages advocating votes for women. The Anatomy Lesson of Dr Nicolaes Tulp, 1632. Artist: Rembrandt Harmensz van Rijn Peer into Rembrandt's masterpiece capturing an unconventional "demo" as Dr.