Observations Made at Dinapoor, June 4, 1769, on the Planet Venus, When Passing Over the Sun's Disk, June 4, 1769, With Three Different Quadrants, and a Two Foot Reflecting Telescope: Communicated to the Royal Society, by the Court of Directors of the East India Company

Philosophical Transactions of the Royal Society of London

doi 10.1098/rstl.1770.0023