"THE ROGERS BATTERYLESS RADIO" - Toronto, ON - Ontario Provincial Plaques on Waymarking.com

There is an English and a French plaque attached to the pillars outside of the entrance of this building which is the University of Toronto Chestnut Residence.

The plaque reads:

"The Rogers Batteryless Radio

In the early 1920s, radio receivers were powered by direct current from batteries that were awkward to use and needed frequent recharging. Edward S. "Ted" Rogers Sr., a Toronto radio engineer, recognized the commercial potential of a radio that could use alternating current (AC) from a household electrical system. Working in a factory across the street from here, he invented an effective AC tube, then designed around it the world's first batteryless radio receiver. Following its debut in August 1925, the Rogers Batteryless Radio was quickly copied by American and European manufacturers. The convenience and improved performance of a plug-in receiver contributed significantly to the booming popularity of radio as home entertainment.

Ontario Heritage Foundation, an agency of the Government of Ontario"

This plaque is located on the east side of Chestnut Street, south of Dundas Street West, east of University Avenue.

Address or location of plaque: 89 Chestnut Street, Toronto Physical location of plaque: City "Ontario Plaques" Website for this "Plaque": [Web Link] A web-site for more details.: [Web Link] Description of any physical remains at site of "Historical Plaque": None This 'Plaque' describes: Other Condition of sign: Good Is this a bilingual sign?: Yes ! What is the second/third language?: French

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