The 8H58 Select-O-Switch 

An ingenious time-switch clock ton control radio and other electrical appliances.  Turns appliances "on and off" for a pre-selected interval over a 12-hour period.  Mottled chestnut plastic case, ideal for table or desk at home or in office.  Easy-to-read dial.  Dark mahogany hour and minute hands, vermillion sweep second hands.