| LC control no. | sh 85135420 |
|---|---|
| LC classification | QB213 General TS542 Clocks and watches |
| Topical heading | Time measurements |
| Variant(s) | Time--Measurement |
| See also | Physical measurements Vibration Clocks and watches |
| Found in | Gapaillard, J. Histoire de l'heure en France, 2011, ©2011. |
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