So the audit indicates that  by Sep 31, 1908, lists three Model T's were sold.
In July 1908, a new timer for a Model T as well as N and R was available too.
from Detroit Free Press page 21 (23 July 1908)
			
			
									
									
						Model T timers - July 1908
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Re: Model T timers - July 1908
I wonder if "T" was some kind of a typo. It seems odd that model "S" wouldn't be included. Maybe since the "T" had been announced and was eagerly anticipated it was on the ad writer's mind.