96 W. & L. E. GURLEY, TROY, NEW YORK 



Fl.. 17 lK-t:iils of IiiM;ill:ltinn of NM. 



i:.--'i<trr. 



gasket (41), and having at the top a screw nut (42), which may 

 be secured by a lock through the slot (43) to prevent removal 

 of the case by unauthorized persons. The face of the clock 

 may be seen through a glass-covered opening in the metal hood, 

 and the clock may be wound from the outside by lifting the 



