Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
A discourse on the character and services of Thomas Jefferson, more especially as a promoter of natural and physical science. Pronounced, by request, before the New-York Lyceum of Natural History, on the 11th October, 1826 / By Samuel L. Mitchill. Public Domain Mark. Source: Wellcome Collection.