FRANKLIN, Benjamin

A Letter from Dr. Franklyn, F.R.S. to the Astronomer Royal; containing an Observation of the Transit of Mercury over the Sun, November 9th 1769: By John Winthrop, Esq; F.R.S. Hollisian Professor of Mathematics and Natural Philosophy at Cambridge, New England.


First printing, single leaf 4to., printed both sides, page numbered (51-2), disbound.


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Product Description

The first printing of an important letter by Benjamin Franklin in which he makes observations on Winthrop’s observations of the transit of Mercury over the sun. Extracted from the 1771 issue of the Transactions of the Philosophical Society.