Microscope by E. Hartnack et Cie
Microscope by E. Hartnack et Cie, Place Dauphine 21, Paris, France, 1871-1900.
Microscope with wooden case, belonging to Professor Moseley, by E. Hartnack et Cie, Place Dauphine 21, Paris, France, 1871-1900.
Microscope by E. Hartnack et Cie, Place Dauphine 21, Paris, France, 1871-1900.
Magnifying glass on brass stand, E. Hartnack et Cie, Place Dauphine 21, Paris, France, 1871-1900.
Objective lens and eyepiece, by E. Hartnack et Cie, Place Dauphine 21, Paris, France, 1871-1900.
Wooden case, with key, for microscope and accessories, by E. Hartnack et Cie, Place Dauphine 21, Paris, France, 1871-1900.
Leather covered case containing five objective lenses, x3 power eyepiece and aperture stop (?) marked 10, by E. Hartnack et Cie, Place Dauphine 21, Paris, France, 1871-1900.