Compare Constellations

Information: The first column shows data points from George Callender & Co. (Boston, Mass.) in red. The third column shows data points from George Callender and Co. (Boston, Mass.) in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

George Callender & Co. (Boston, Mass.)

Shared

George Callender and Co. (Boston, Mass.)