1. 
   Contrate Wheel
   A wheel with teeth standing upright on its rim, so that it resembles a comb bent into a circle.  Most often found in verge watches, where the fourth wheel is of contrate form.
   Found op http://www.timtemplewatches.com/information_watch_dictionary1.html
   
   
2. 
   Contrate-Wheel
   A contrate-wheel is a cog wheel having the teeth projecting perpendicularly to the plane of the wheel.
   Found op http://www.probertencyclopaedia.com/browse/GC.HTM
   
   

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