Nuremburg type compound microscope marked uncertainly "IM" (inside circle)
1781-1820
Nuremburg type drum microscopes marked "JFF" in heart on base
1780-1920
Nuremburg type boxfoot microscope marked "JFF" in heart-shape
1780-1820
Nuremburg-type microscope
1780-1820
Nuremburg-type drum microscope
1780-1820
Nuremburg type compound microscope
1780-1820
Nuremburg type compound microscope
1780-1820
Nuremberg type compound microscope marked JFF in heart-shape base
1780-1920