Details

Microtome knife

@FTF

John Haeffor (Manufacturer)

A microtome knife is a tool used to cut extremely thin slices of skin to be placed underneath a microscope. Used in pathology. Both are in individual boxes which say John Heiffor's Microtome Knife, Sheffield. And the knives themselves have *J.H* John Heiffor . Paradise Square, Sheffield.

Twentieth century, early