1677

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Timeline for 1677
17th century
1671 • 1672 • 1673 • 1674 • 1675 • 1678 • 1679 • 1681 • 1682
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In 1677, Dr. John Wallace presented a paper on sympathetic vibration to the Royal Society. (DW: The Happiness Patrol) The Seventh Doctor seemed to feel that Earl Sigma should have known about this paper. (DWN: The Happiness Patrol)

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