17.01.01.02_v0014-s0001-n0002-p0018
| Publication | Volume | Number | Page |
|---|---|---|---|
| Normal Eyte | 14 | 2 | 18 |
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| Title | Article Summary |
|---|---|
| Almost perpetual motion; the new automatic electric clocks need no winding and are accurate in the extreme | Description of the new clock mechanism. |