On the clock part five

A David Walter Double Pendulum Clock – Part 5. The Eight Strokes of the day at which it plays. Craftime Clockery is your source for battery power clock parts, quartz clock pendulums, batter clock. Rare-Earth Clocks, Sm-Nd and Lu-Hf Dating Models: Radioactive Dating, Part 5. For Part 4 of this practice.
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