Letter to "Dear Frank" from Sir Edward Victor Appleton

He sends the 'solution of your problem. I could prove it easier by the theory of Potential but I think this will stand'. The problem is 'To find the work done in taking a 1 lb weight from the face of the earth to an infinite distance'.

Details

Measurements:
folded
180.00mm (height)
115.00mm (width)
overall
225.00mm (height)
180.00mm (width)
Extent:
2 pages on 1 sheet
Identifier:
MS/1719
Access:
Open Access
rights:
Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions