



...................Early Style "Waterbury"..Later Style "Waterbury"...#5 "National".......................500 Class "Seth Thomas"
A5
.................................. "Signature" model #3 - Detail adder - 1891.......... #313 / #717 / #5 / #50 "National" Registers
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.............................."Out-of-sequence" model 305 - Detail adder - 1896..........model 349-2-2 - Total adder - 1915
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