Ten historic electrostatic machines and instruments in verified photographs: Wimshurst and Holtz machines, friction generators, Van de Graaff generators, a Kelvin water dropper, and Leyden jars. Photograph credits: 1. File:Wimshurst.jpg; No machine-readable author provided. Peedl~commonswiki assumed (based on copyright claims).; Public domain; https://commons.wikimedia.org/wiki/File:Wimshurst.jpg; https://commons.wikimedia.org/wiki/File:Wimshurst.jpg; 2. File:Wimshurst machine PP2010.044.001a.jpg; Gregory Tobias; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Wimshurst_machine_PP2010.044.001a.jpg; 3. File:Holtzmachine-photo-1876.jpg; Himes, Charles F. (Charles Francis), 1838-1918, photographer; Public domain; https://commons.wikimedia.org/wiki/File:Holtzmachine-photo-1876.jpg; https://commons.wikimedia.org/wiki/File:Holtzmachine-photo-1876.jpg; 4. File:DMM 2836 Reibungselektrisiermaschine mit Glaszylinder.jpg; Wikimedia Commons contributor; CC BY 3.0; https://creativecommons.org/licenses/by/3.0; https://commons.wikimedia.org/wiki/File:DMM_2836_Reibungselektrisiermaschine_mit_Glaszylinder.jpg; 5. File:Electriseermachine foto-1.JPG; Wikimedia Commons contributor; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:Electriseermachine_foto-1.JPG; 6. File:Electriseermachine foto-2.JPG; Alfvanbeem; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:Electriseermachine_foto-2.JPG; 7. File:Round Hill generator in hangar 1933 retouched.png; Unknown author Unknown author; Public domain; https://commons.wikimedia.org/wiki/File:Round_Hill_generator_in_hangar_1933_retouched.png; https://commons.wikimedia.org/wiki/File:Round_Hill_generator_in_hangar_1933_retouched.png; 8. File:Van de Graaff Generator - Science City - Calcutta 1997 016.JPG; Biswarup Ganguly; CC BY 3.0; https://creativecommons.org/licenses/by/3.0; https://commons.wikimedia.org/wiki/File:Van_de_Graaff_Generator_-_Science_City_-_Calcutta_1997_016.JPG; 9. File:Kelvin water dropper electrostatic machine model.jpg; Chetvorno; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:Kelvin_water_dropper_electrostatic_machine_model.jpg; 10. File:Museum Boerhaave - Leiden Jars 4.jpg; Prof. Jos van den Broek; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Museum_Boerhaave_-_Leiden_Jars_4.jpg;