Page:Philosophical Transactions - Volume 077.djvu/4

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PHILOSOPHICAL

TRANSACTIONS,

OF THE

ROYAL SOCIETY

OF

LONDON.

VOL. LXXVII. For the Year 1787.

PART I.

LONDON,

SOLD BY LOCKYER DAVIS, AND PETER ELMSLY, PRINTERS TO THE ROYAL SOCIETY.

MDCCLXXXVII.

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