Solar microscope with wooden screen and leather-covered body tube
1801-1830
1801-1830
1751-1800
1756-1775
1701-1750
1740-1770
1720-1760
1730-1770
1770-1800
1750-1800
1740-1770
1730-1770
1775-1800
1751-1800
1771-1800
1750-1775
1720-1738
1700-1730
1730-1770
1740-1770
1730-1770
1751-1800
1731-1770
1750-1775
1731-1770
1790-1810
1771-1800
1750-1800
1750-1800
1761-1780