Nuremburg drum microscope with "JFF" in heart shape branded on base
1780-1820
Nuremburg microscope with "IM" in dotted oval branded on base
1780-1820
Nuremburg microscope
1770-1820
Nuremburg microscope with boxfoot
1780-1820
Nuremburg type compound microscope
1781-1820
Copy of Nuremburg type microscope
1771-1830
Compound monocular microscope of mixed manufacture
1801-1900
Nuremburg type microscope with JFF branded in heart-shape on base
1780-1820