MacKenzie's laryngeal electrode wood, metal and gum elastic, probably British, c. 1900 Laryngeal instruments, late 19th-early 20th century.
Throat brush, possibly MacKenzie, ebony, aluminium(?), probably British, late 19th century Laryngeal instruments, late 19th-early 20th century.
MacKenzie's laryngeal ecraseur, plated steel and ebony, probably British, late 19th century Laryngeal instruments, late 19th-early 20th century.
Laryngeal forceps, MacKenzie, steel, nickel plated, by Down Bros. of London, early 20th century Laryngeal forceps, early 20th century.