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30s/60s Mechanical Lab Stopwatch | Second Timer Chronograph for Physics Teaching Experiment

Product no longer available. The stores we track no longer sell it; last price seen $40.96.

Price history: 4 daily prices tracked since 2026-10-20; lowest $40.87, highest $40.96.

30s/60s Mechanical Lab Stopwatch | Second Timer Chronograph for Physics Teaching Experiment

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