Keywords: Carnegie Science Center 1955 Huffy Radiobike.JPG en The 1955 Huffy Radiobike on display at the Carnegie Science Center in Pittsburgh PA It had a built-in radio in the frame with batteries housed in the back The antenna was placed between the handlebars and pedals The radio was working on vacuum-tubes despite the fact that transistors were already available on the market This was a cost-saving measure since transistors were more expensive 2013-09-29 13 57 17 own Photojunkie No restrictions on publication Uploaded with UploadWizard Carnegie Science Center Vintage bicycles Huffy bicycles |