Ms. letter
- Made:
- nd.
- maker:
- Edward Victor Appleton
[Ms. letter, nd, to 'Dear Frank' / E.V. Appleton. 2p. on 1 leaf. 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']
