This photograph and the next comprise a cased surgical set c. 1840, manufactured by W.F. Ford, N.Y. This photograph represents the upper tray of the surgical unit and contains an amputation saw, Liston* knives (with fixed and removable handles), bowel scissors, mallets, etc.
*Robert Liston (1794-1847) was Professor of Clinical Surgery, University College, London. He introduced techniques for amputation, jaw excision and laryngoscopy.