M-848 ESAW Stop Clock

Smith type, encased in a metal case with fly-back action. At the right side of the case is the stop and start lever, the operation of which enables a timer to be started and stopped as desired. On the other side of the case is a press lever that returns the hands to zero, after the mechanism has been stopped by means of a stop lever. A subsidiary dial recording 0 to 60 minutes is provided below the secondhand.