Cable spreader from an X-ray machine

1850-1930

Model of binocular microscope by Cherubin d'Orleans

1901-1917

Cut-throat razor

1870-1910

Cut-throat razor

1870-1910

Cut-throat razor, used by J. Bruce

1870-1910

Cut-throat razor, "The Army Razor"

1870-1910

Model of Leeuwenhoek's simple microscope

1871-1900

Still, copper with some brass fittings

1701-1900

Coumpound monocular microscope

1850-1880