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					Originally Posted by Lang  Vehicle number 3 is also a mystery (round top radiator and high bonnet hinge???) The Model T tall radiator did not come out until 1923 so not that. | 
	
 You Are right about Vehicle no3. being out of the norm.
It is a Sizaire et Naudin. Sizaire Frères et Naudin was a French automobile manufacturer based in Paris between 1905 and 1921.
Certainly an unusual car to find on patrol.
Regards Rick