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  "h": 1924,
  "lic": "Public domain",
  "date": "circa 1889",
  "artist": "<div class=\"fn value\">\nUnknown author<span style=\"display: none;\">Unknown author</span></div>"
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  "file": "edison-brady-1878.jpg",
  "thumb": "https://thumb.wikimedia.org/wikipedia/commons/thumb/c/c5/Edison_and_phonograph_edit2.jpg/1920px-Edison_and_phonograph_edit2.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail",
  "url": "https://upload.wikimedia.org/wikipedia/commons/c/c5/Edison_and_phonograph_edit2.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Edison_and_phonograph_edit2.jpg",
  "w": 2640,
  "h": 3327,
  "lic": "Public domain",
  "date": "circa 1877",
  "artist": "Levin C. Handy (per <a rel=\"nofollow\" class=\"external free\" href=\"http://hdl.loc.gov/loc.pnp/cwpbh.04326\">http://hdl.loc"
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  "file": "pearl-street-station.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/5/58/PearlStreetStation.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/5/58/PearlStreetStation.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:PearlStreetStation.jpg",
  "w": 600,
  "h": 919,
  "lic": "Public domain",
  "date": "between 1882 and 1890",
  "artist": "Earl Morter"
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  "thumb": "https://upload.wikimedia.org/wikipedia/commons/0/0e/Edisons_Jumbo_dynamo_in_Pearl_Street_NYC.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/0/0e/Edisons_Jumbo_dynamo_in_Pearl_Street_NYC.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Edisons_Jumbo_dynamo_in_Pearl_Street_NYC.jpg",
  "w": 640,
  "h": 432,
  "lic": "Public domain",
  "date": "circa 1885",
  "artist": "Unknown author<span style=\"display: none;\">Unknown author</span>"
 },
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  "file": "pearl-street-laying-tubes-1882.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/f/fd/Laying_electric_lines_under_street_Edison_Pearl_Street_Utility_June_21_1882_Harpers_Weekly.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/f/fd/Laying_electric_lines_under_street_Edison_Pearl_Street_Utility_June_21_1882_Harpers_Weekly.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Laying_electric_lines_under_street_Edison_Pearl_Street_Utility_June_21_1882_Harpers_Weekly.png",
  "w": 1099,
  "h": 1700,
  "lic": "Public domain",
  "date": "1882-06-21",
  "artist": "W. P. Snyder"
 },
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  "file": "westinghouse-1900.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/5/53/George_Westinghouse%2C_half-length_portrait%2C_facing_front_LCCN93511337.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/5/53/George_Westinghouse%2C_half-length_portrait%2C_facing_front_LCCN93511337.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:George_Westinghouse,_half-length_portrait,_facing_front_LCCN93511337.jpg",
  "w": 1073,
  "h": 1536,
  "lic": "Public domain",
  "date": "1900",
  "artist": "<bdi><a href=\"https://www.wikidata.org/wiki/Q62423042\" class=\"extiw\" title=\"d:Q62423042\"><span title=\"American photograp"
 },
 "tesla-sarony-1893": {
  "file": "tesla-sarony-1893.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/d/d4/Nikola_Tesla_by_Sarony_c1893.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/d/d4/Nikola_Tesla_by_Sarony_c1893.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Nikola_Tesla_by_Sarony_c1893.jpg",
  "w": 585,
  "h": 885,
  "lic": "Public domain",
  "date": "between 1890 and 1896",
  "artist": "<bdi><a href=\"https://en.wikipedia.org/wiki/en:Napol%C3%A9on_Sarony\" class=\"extiw\" title=\"w:en:Napol\u00e9on Sarony\"><span ti"
 },
 "tesla-induction-motor-1888": {
  "file": "tesla-induction-motor-1888.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/c/ca/Model_of_the_Induction_Motor_from_1888.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/c/ca/Model_of_the_Induction_Motor_from_1888.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Model_of_the_Induction_Motor_from_1888.png",
  "w": 926,
  "h": 764,
  "lic": "CC BY-SA 4.0",
  "date": "1888",
  "artist": "Nikola Tesla Museum"
 },
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  "file": "niagara-westinghouse-generators-1904.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/d/d2/Westinghouse_Generators_at_Niagara_Falls.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/d/d2/Westinghouse_Generators_at_Niagara_Falls.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Westinghouse_Generators_at_Niagara_Falls.jpg",
  "w": 804,
  "h": 538,
  "lic": "Public domain",
  "date": "1904",
  "artist": "Works of the Westinghouse Electric &amp; Manufacturing Company"
 },
 "niagara-adams-plant": {
  "file": "niagara-adams-plant.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/6/6f/AdamsPowerPlant_DateUnknown_HABS_15_GeneralViewFromSoutheast_cropped.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/6/6f/AdamsPowerPlant_DateUnknown_HABS_15_GeneralViewFromSoutheast_cropped.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:AdamsPowerPlant_DateUnknown_HABS_15_GeneralViewFromSoutheast_cropped.jpg",
  "w": 901,
  "h": 692,
  "lic": "Public domain",
  "date": "1941-05-28",
  "artist": "Unknown author<span style=\"display: none;\">Unknown author</span>"
 },
 "insull-1927": {
  "file": "insull-1927.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/7/77/Samuel_Insull_%28circa_1927%29.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/7/77/Samuel_Insull_%28circa_1927%29.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Samuel_Insull_(circa_1927).jpg",
  "w": 1458,
  "h": 1406,
  "lic": "Public domain",
  "date": "1927-05-18",
  "artist": "Chicago Tribune"
 },
 "brush-dynamos-1881": {
  "file": "brush-dynamos-1881.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/9/90/Brush_central_power_station_dynamos_New_York_1881.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/9/90/Brush_central_power_station_dynamos_New_York_1881.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Brush_central_power_station_dynamos_New_York_1881.jpg",
  "w": 540,
  "h": 194,
  "lic": "Public domain",
  "date": "1881-04-02",
  "artist": "Unknown author<span style=\"display: none;\">Unknown author</span>"
 },
 "brush-broadway-1880": {
  "file": "brush-broadway-1880.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/4/4b/Broadway1880arclights.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/4/4b/Broadway1880arclights.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Broadway1880arclights.jpg",
  "w": 640,
  "h": 381,
  "lic": "Public domain",
  "date": "1880",
  "artist": "<span lang=\"en\">Anonymous</span><span style=\"display:none\">Unknown author</span>"
 },
 "brush-madison-square-1882": {
  "file": "brush-madison-square-1882.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/7/7e/Brush_Company_arc_light_madison_square_new_york_1882.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/7/7e/Brush_Company_arc_light_madison_square_new_york_1882.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Brush_Company_arc_light_madison_square_new_york_1882.png",
  "w": 1246,
  "h": 1861,
  "lic": "Public domain",
  "date": "1882",
  "artist": "<bdi><a href=\"https://en.wikipedia.org/wiki/en:Charles_Graham_(artist)\" class=\"extiw\" title=\"w:en:Charles Graham (artist"
 },
 "sprague-1892": {
  "file": "sprague-1892.jpg",
  "thumb": "https://thumb.wikimedia.org/wikipedia/commons/thumb/1/15/Frank_J._Sprague_-_Cassier%27s_1892-08.png/1920px-Frank_J._Sprague_-_Cassier%27s_1892-08.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail",
  "url": "https://upload.wikimedia.org/wikipedia/commons/1/15/Frank_J._Sprague_-_Cassier%27s_1892-08.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Frank_J._Sprague_-_Cassier%27s_1892-08.png",
  "w": 1952,
  "h": 3009,
  "lic": "Public domain",
  "date": "circa 1892",
  "artist": "Unknown photographer of the time"
 },
 "thomson-1880": {
  "file": "thomson-1880.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/1/1e/Elihu_thomson_ca1880.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/1/1e/Elihu_thomson_ca1880.png?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Elihu_thomson_ca1880.png",
  "w": 220,
  "h": 289,
  "lic": "Public domain",
  "date": "circa 1880",
  "artist": "Unknown author<span style=\"display: none;\">Unknown author</span>"
 },
 "thomson-wattmeter-1907": {
  "file": "thomson-wattmeter-1907.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/7/7f/Thomson_wattmeter.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/7/7f/Thomson_wattmeter.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Thomson_wattmeter.jpg",
  "w": 531,
  "h": 513,
  "lic": "Public domain",
  "date": "1907",
  "artist": "Arthur Vaughn Abbott"
 },
 "thomson-wattmeter-mit": {
  "file": "thomson-wattmeter-mit.jpg",
  "thumb": "https://thumb.wikimedia.org/wikipedia/commons/thumb/3/33/Thomson_Recording_Wattmeter%2C_c._1890_-_MIT_Museum_-_Cambridge%2C_MA_-_DSC09191.jpg/1920px-Thomson_Recording_Wattmeter%2C_c._1890_-_MIT_Museum_-_Cambridge%2C_MA_-_DSC09191.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail",
  "url": "https://upload.wikimedia.org/wikipedia/commons/3/33/Thomson_Recording_Wattmeter%2C_c._1890_-_MIT_Museum_-_Cambridge%2C_MA_-_DSC09191.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Thomson_Recording_Wattmeter,_c._1890_-_MIT_Museum_-_Cambridge,_MA_-_DSC09191.jpg",
  "w": 3438,
  "h": 4518,
  "lic": "CC0",
  "date": "2026-04-17 11:08:34",
  "artist": "<a href=\"//commons.wikimedia.org/wiki/User:Daderot\" title=\"User:Daderot\">Daderot</a>"
 },
 "chicago-1893-electricity-building": {
  "file": "chicago-1893-electricity-building.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/9/94/Electric_Building_1893_Exposition.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/9/94/Electric_Building_1893_Exposition.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Electric_Building_1893_Exposition.jpg",
  "w": 1176,
  "h": 848,
  "lic": "CC BY-SA 4.0",
  "date": "2021-06-19",
  "artist": "<bdi><a href=\"https://en.wikipedia.org/wiki/en:William_Henry_Goodyear\" class=\"extiw\" title=\"w:en:William Henry Goodyear\""
 },
 "blizzard-1888-wires": {
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  "thumb": "https://thumb.wikimedia.org/wikipedia/commons/thumb/a/a9/Blizzard_1888_01.jpg/1920px-Blizzard_1888_01.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail",
  "url": "https://upload.wikimedia.org/wikipedia/commons/a/a9/Blizzard_1888_01.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Blizzard_1888_01.jpg",
  "w": 3208,
  "h": 3911,
  "lic": "Public domain",
  "date": "Taken in\u00a01888",
  "artist": "Photograph collection of The Museum of the City of New York"
 },
 "ferranti": {
  "file": "ferranti.jpg",
  "thumb": "https://upload.wikimedia.org/wikipedia/commons/a/a8/Sebastian_Ziani_de_Ferranti.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled",
  "url": "https://upload.wikimedia.org/wikipedia/commons/a/a8/Sebastian_Ziani_de_Ferranti.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original",
  "desc": "https://commons.wikimedia.org/wiki/File:Sebastian_Ziani_de_Ferranti.jpg",
  "w": 1332,
  "h": 1876,
  "lic": "Public domain",
  "date": "before 1930",
  "artist": "Unknown. (Ferranti died in 1930 so photo must be older than that.  Enquiries with Museum of Science and Industry, Manche"
 }
}