Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Morse's patent : Full exposure of Dr. Chas. T. Jackson's pretensions to the invention of the American electro-magnetic telegraph / by Hon. Amos Kendall. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.