Compare Constellations

Information: The first column shows data points from Grattan, Henry, active 1774-1817, the younger in red. The third column shows data points from Grattan, Henry, 1746-1820 in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Grattan, Henry, active 1774-1817, the younger

Shared

Grattan, Henry, 1746-1820