April 29, 1882: Trackless Trolley Starts Rolling | WIRED
History of trams - Wikipedia
Change management lessons learnt: the invention of the shopping trolley
Streetcars - Encyclopedia of Greater Philadelphia
Electric Streetcar - Siemens Global
The Truth Behind The Rise And Fall Of The Legendary American Streetcar
History of trams - Wikipedia
Streetcars - Encyclopedia of Greater Philadelphia
A brief history of the invention of the shopping trolley | news.com.au — Australia's leading news site
The Early Years
Shelf trolley SHIP, 200 kg, 810x500 mm
Streetcar | Facts, History, & Development | Britannica
History of trams - Wikipedia
Tram - Wikipedia
The Age of Trolleys, 1901 — Vermont Historical Society
History of trams - Wikipedia
Electric trolley made history but didn't work very well
Streetcar | Facts, History, & Development | Britannica
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
SF's First Electric Streetcar Line Opened 125 Years Ago Today | SFMTA
Streetcar | Facts, History, & Development | Britannica
Shopping Trolley,invented,1937 Oklahoma, supermarket, Shopping cart, ASDA, stored, lined-up, collected, driven, lines, snake, snaked, across, carpark Stock Photo - Alamy
Trolleys, Light Rail and Subways
Walking round the supermarket with a trolley
Old streetcars & trolleys were a big deal in the days before cars & buses (1800s) - Click Americana
