# Punch Clock **Domain:** Labor Infrastructure / Measurement **Doc Type:** Device **Maturity:** Developed **Related:** [[Time-Oriented Labor]], [[IBM]], [[Educational Telemetry]], [[Schedule and Loop]] ## Definition A punch clock records workers' arrivals and departures as standardized temporal events. ## Schedule–Loop Context It turns presence into portable administrative data. The lineage from time-recording firms into IBM also joins labor telemetry to the institutional history of computation. ## Backlinks - [[Schedule and Loop]] - [[articles/Schedule and Loop|Schedule and Loop]] - [[Russia and Prussia Kybernetiks]]