
Small orrery by Benjamin Martin
1738-1777
1738-1777
1770
1781-1790
1777-1785
1815-1825
1760-1775
1791
1795
1744-1774
1775
1821
1775
1794
circa 1805
1755
1807
1782-1793
1752
1770
1785-1790
1784
1815
1750-1760
1784
1755
1729-1753
1762
1762
1769
1765-1806
1757
1815
1761
1752
1762
1795-1810
1762
1761
1762
1762
1762
1762
1762
1863-7
1791
1808
1786
1800
1776
1807