New York: December 22, 1855. 5pp. manuscript on legal size paper bound with red silk tie at top edge with blue paper backing, signed by Cyrus West, Peter Cooper, Wilson G. Hughes, and Hyrum Hyde. An agreement documenting the transfer of patent for "The Hughes Compound Magnetic and Vibrating Printing Instrument" from David E. Hughes and David W. Brodnax to ownership of Field, Cooper, Hunt, and Hyde, assigning the invention to The American Telegraph Company.