REMOVE

1. Correspondence
2. Bache, A. D. (Alexander Dall …
3. 19th Century CE

WHAT

1. Letters (2)
2. Science--Great Britain (2)

WHERE

1. England: Greater Manchest … (2)
2. United States: Pennsylvan … (2)

WHO

1. Dalton, John, 1766-1844 (2)

WHEN

1. 1840-04-09 (2)