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XEE4140576: Light projection: use of a projection lantern to observe blood circulation in a frog's leg. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140600: The cinematographer: a family watching a movie on a screen. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140620: Electrical phenomena: self induction. Suppose a tank higher than a tap and let the water flow occur, then shut down abruptly. The movement of the water will continue for a few moments in the pipe and produce a jet of water whose top will exceed the water level in the tank. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140634: Electrical phenomena: alternating currents. One can get an image of these currents by lifting and lowering a funnel connected to a water vessel. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140635: Electrical units: Volt to measure the potential difference (pressure). Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140646: Electrical units: the ampere for measuring flow or intensity. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140649: Electric units: Coulomb to measure the amount of electricite. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140680: Electrical lines: high voltage meters. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140697: Household uses of electricity: the clothes brush. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140701: Household uses of electricite: iron. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140702: Household uses of electricity: electric kitchen with grill. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140729: Electric tools: the dentist. Anonymous illustration of 1925. Private collection., Anonymous / Bridgeman Images
XEE4140742: Electric trams: the bow. Anonymous illustration of 1925. Private collection., Anonymous / Bridgeman Images
XEE4140785: Inauguration of the Sardinian monument by Vincenzo Vela (1820-1891), at the Chateau Square in Turin (Italy) on 10 April 1859. Behind the statue is the “Palazzo Madama”. Based on Mr. Ferry's sketches. Engraving in “” Le Monde Illustré”” n°106 of 23 April 1859., French School, (19th century) / Bridgeman Images
XEE4139853: Balloons: pisciform envelope by Henri Giffard (1825-1882) in 1852. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4139919: Vibratory movements: wavelength. A stone that falls into the water lowers and then lifts the water level, plugs in the water go up and down but remain in place. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4139940: Sound energy: intense sound. The bass drum of a military band. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4139943: Sound energy: sound is vibratory motion. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4139953: Sound energy: interference of sounds observed while listening to the beat of a bumblebee. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4139997: Musical instruments: wind instruments. Cross flute players, in the time of the Incas and has a more recent era. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140008: The effects of music: couples dance the Fox Trot (Fox Trot) in a social evening. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140010: The effects of music: a prickly organ player and a monkey entertain children on a street. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140015: Ether (material): propagation. It is done in every way. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140044: Changes in states: dissolution of solids under the influence of heat or by wet crystallization. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140055: Jeu de boules, 1858. Engraving in “” Le Monde Illustré”” n°78 of 9 October 1858., French School, (19th century) / Bridgeman Images
XEE4140066: Changes in states: condensation. The first umbrellas in the 18th century. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140069: Changes in states: influence of pressure. Franklin's boiling point, Benjamin Franklin's experience (1706-1790) to prove that water can boil at less than 100 degrees. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140073: Changes in states: slow vaporization (wind action) or boiling (heat under a pan). Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140102: Calorimetry: the latent heat of fusion discovered by Joseph Black (1728-1799) in 1761-1762. Result for ice. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140111: Radiation and conductibility: light heat (sunburn at the South pole) and dark heat (in mines the temperature rises by 1 degree per 30 metres). Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140117: Radiation and conductibility: gases are not conductive, they heat themselves by convection. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140129: Radiation and conductibilite: law of direct radiation of caloric verified by the Melloni battery and a galvanometer. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140139: Radiation and conductibility: different light heat absorption depending on the colour of the clothing. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140149: Meteorology: marine currents. Influence of earth rotation. Gulf Stream. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140151: Meteorology: influence of altitude on climate. Anonymous illustration from 1925. Private collection., Anonymous / Bridgeman Images
XEE4140166: Meteorology: meteorological map. Anonymous illustration of 1925. Private collection., Anonymous / Bridgeman Images