That was pre Veeder-Root merger.
Veeder made most of the Totalizers for the clocks.
Most likely it was a Totalizer / Counter
It looks like the same thing I have for a clock. Part #110 on your diagram.
https://patents.google.com/patent/US634073A/en?q=Veeder&q=counter&q=Oct+3&before=priority:18991231&after=priority:18990101&oq=Veeder+counter+Oct+3+1899


Veeder Root Rebuilds.....since 1987
Veeder Root Identification CD
Gas Pump Clock Repair
jkyocom@bellsouth.net