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1 rod magnet possibly for Beall's compass deviascope

Henry Hughes & Son, Ltd.

early-mid 20th Century

2 mounting assemblies for Fairchild T-3A aerial camera

Fairchild Aerial Camera Corporation

1930-1936

5 bar magnets for Beall's compass deviascope (correcting magnets)

Henry Hughes & Son, Ltd.

1900-1915

8 bar magnets "1" and "2" for Beall's compass deviascope (disturbing magnets)

Henry Hughes & Son, Ltd.

1900-1915

1982 calendar on science at Harvard

Harvard University

dated 1982

aerial photograph of hut and clearings in rainforest in Rio Parima

Institute of Geographical Exploration

1920-1940

aerial photograph of Lower Manhattan

Institute of Geographical Exploration

1910-1935

aerial photograph of Mount Vernon

Institute of Geographical Exploration

1920-1940

aerial photograph of Mount Vernon (close-up)

Blue Hill Meteorological Observatory

1912-1940

aerial photograph of Niagara Falls

Institute of Geographical Exploration

1920-1940

aerial photograph of Rio de Janeiro

Institute of Geographical Exploration

1920-1940

aerial photograph of Rushville, Indiana

Institute of Geographical Exploration

1920-1940

Objects

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My Object Lists

1 rod magnet possibly for Beall's compass deviascope

2 mounting assemblies for Fairchild T-3A aerial camera

5 bar magnets for Beall's compass deviascope (correcting magnets)

8 bar magnets "1" and "2" for Beall's compass deviascope (disturbing magnets)

1982 calendar on science at Harvard

aerial photograph of hut and clearings in rainforest in Rio Parima

aerial photograph of Lower Manhattan

aerial photograph of Mount Vernon

aerial photograph of Mount Vernon (close-up)

aerial photograph of Niagara Falls

aerial photograph of Rio de Janeiro

aerial photograph of Rushville, Indiana