Ten real historic fire extinguishers and extinguishing devices shown with verified Wikimedia Commons photographs: glass grenades, soda-acid cylinders, wall-mounted and wheeled museum devices. Photograph credits: 1. File:Georgetown PowerPlant Museum fire extinguishers.jpg; Joe Mabel; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Georgetown_PowerPlant_Museum_fire_extinguishers.jpg; 2. File:Snohomish - Blackman House Museum - Comet fire extinguisher 01A.jpg; Joe Mabel; CC BY-SA 3.0; http://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Snohomish_-_Blackman_House_Museum_-_Comet_fire_extinguisher_01A.jpg; 3. File:Fire Extinguisher, MDVMHC.JPG; Jeffreyjhang; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0; https://commons.wikimedia.org/wiki/File:Fire_Extinguisher,_MDVMHC.JPG; 4. File:Fire extinguisher "Silesia".jpg; National Maritime Museum in Gdańsk; CC BY-SA 3.0 pl; https://creativecommons.org/licenses/by-sa/3.0/pl/deed.en; https://commons.wikimedia.org/wiki/File:Fire_extinguisher_"Silesia".jpg; 5. File:Fire extinguisher - Faraday Museum of Technology - Napier, NZ - DSC05490.jpg; Daderot; CC0; http://creativecommons.org/publicdomain/zero/1.0/deed.en; https://commons.wikimedia.org/wiki/File:Fire_extinguisher_-_Faraday_Museum_of_Technology_-_Napier,_NZ_-_DSC05490.jpg; 6. File:Blandblusser minimax Ukkel.jpg; Zwager; Public domain; ; https://commons.wikimedia.org/wiki/File:Blandblusser_minimax_Ukkel.jpg; 7. File:PackardWheeledExtinguisher.jpg; Infrogmation of New Orleans; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:PackardWheeledExtinguisher.jpg; 8. File:Childs soda-acid.JPG; Firetech117 ( talk ); CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0; https://commons.wikimedia.org/wiki/File:Childs_soda-acid.JPG; 9. File:Soda-acid fire extinguisher for Class A fires; Aluminum, painted red; collar support attached to top; handle near collar; hose (41745f0f-9377-4960-9418-1981e63de536).jpg; National Park Service Picture – Courtesy of Hot Springs National Park Archives; Public domain; ; https://commons.wikimedia.org/wiki/File:Soda-acid_fire_extinguisher_for_Class_A_fires%3B_Aluminum,_painted_red%3B_collar_support_attached_to_top%3B_handle_near_collar%3B_hose_(41745f0f-9377-4960-9418-1981e63de536).jpg; 10. File:Fire Extinguisher of 1910.jpg; Kecko from Switzerland (Rheintal SG, the border valley between Switzerland and Austria); CC BY 2.0; https://creativecommons.org/licenses/by/2.0; https://commons.wikimedia.org/wiki/File:Fire_Extinguisher_of_1910.jpg;