SF's First Electric Streetcar Line Opened 125 Years Ago Today | SFMTA
Streetcars - Encyclopedia of Greater Philadelphia
History of trams - Wikipedia
The Early Years
History of trams - Wikipedia
Public transport industry mourns the loss of Dr Dieter Ludwig, inventor of the "Karlsruher tram train model" - Urban Transport Magazine
Old streetcars & trolleys were a big deal in the days before cars & buses (1800s) - Click Americana
Streetcars (USA): Electrified Systems Dating To The 19th Century
History of trams - Wikipedia
Streetcars - Encyclopedia of Greater Philadelphia
World's first overhead trolley tested on Broadway in early 1880s | Midtown KC Post
The electric streetcar, a Belgian invention
History of trams - Wikiwand
History of trams - Wikipedia
SF's First Electric Streetcar Line Opened 125 Years Ago Today | SFMTA
A brief history of the invention of the shopping trolley | news.com.au — Australia's leading news site
Streetcar | Facts, History, & Development | Britannica
Streetcars (USA): Electrified Systems Dating To The 19th Century
Shelf trolley SHIP, 200 kg, 810x500 mm
Electric trolley made history but didn't work very well
History of trams - Wikipedia
April 29, 1882: Trackless Trolley Starts Rolling | WIRED
Streetcar | Facts, History, & Development | Britannica
Walking round the supermarket with a trolley
Woman pushing a trolley made from the chassis of a pram past the employees' car park of Decca Radar Ltd., New Malden, London | RIBA pix
History of trams - Wikipedia
