Inventor Name
Clark, Alexander Melville
Repository
Massachusetts Historical Society
1154 Boylston Street
Boston, MA 02215-3695
617-536-1608
http://www.masshist.org/library_collections/
Physical Description
1 box
Summary
Collection contains British letters patent issued to patent agent Alexander Melville Clark for an invention for improvements in automatic chemical telegraphs in 1874. Also included is an 1875 indenture assigning the letters patent to Wiliam Edward Sawyer of Washington, DC.
