 
      
      
      An illustration of a Roman Numeral clock showing 6:40.
     
          
      
      
         
      
      
      An illustration of a Roman Numeral clock showing 7:30.
     
          
      
      
         
      
      
      A Memograph is a clock that is designed to make a loud sound at a specific time. The primary use of…
     
          
      
      
         
      
      
      A watch that is carried in a small watch pocket