20 Clarendon Crescent
Tuesday
My Dear Sir,
You are quite right in the argument, but I think your notation wrong.
[mathematical]
& so on.
The conclusion
[mathematical]
is proved for any planes thus
[mathematical]
This is your own [illegible], since being in one plane you have no scalar part
I am yours vy truly
P Kelland
H. F. Talbot Esq
[envelope:]
H. F. Talbot, Esq.
11 Great Stuart Str
[annotated in pencil in a later hand:] Kelland