Compare Constellations

Information: The first column shows data points from George Callender and Co. (Boston, Mass.) in red. The third column shows data points from George Callender & 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 and Co. (Boston, Mass.)

Shared

George Callender & Co. (Boston, Mass.)