Observations on vision : ... Read before the Royal Society of London, May 1, 1794, and published in their Transactions of the same year. Communicated to the Society by George Pearson.

Licence: Public Domain Mark

Credit: Observations on vision : ... Read before the Royal Society of London, May 1, 1794, and published in their Transactions of the same year. Communicated to the Society by George Pearson. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)