| http://www.w3.org/ns/prov#value | - d numbers wheels exposed therethrough; a second shaft concentrically passing through said first shaft beyond both ends thereof, a plunger assembly in said passageway including means normally urging said plunger assembly toward the proximate end of said second shaft, a disconnectible drive between said second shaft and said plunger assembly, and means for actuating said counter in accordance with d
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