REMOVE

1. Science--Great Britain
2. England: Cumbria: Kendal

WHAT

1. Correspondence (2)
2. Letters (2)

WHERE

1. England: Cumbria: Carlisl … (2)
2. England: Greater Manchest … (2)

WHO

1. Dalton, John, 1766-1844 (8)
2. Pennington, W. (4)
3. Branthwaite, M. & R. (1)

WHEN

1. 18th Century CE (5)
2. 19th Century CE (3)
3. [date not identified] (2)
4. 1785 (1)
5. 1786 (1)