|Alternative reference number||NLB/44 p340|
|Title||Copy letter from Robert William Frederick Harrison [signed by A H White] to Wilfrid Short, 4 Carlton Gardens, SW|
|Date||5th August 1911|
|Description||'In answer to your enquiry I find the following reference:-|
R C Tolman: The Second Postulate of Relativity. Physical Review (New York) for July 1910. That paper contains references to another by Lewis Tolman: Phil Mag, 1909, October.
There may be other papers to be found by further hunting. Would you care to come in next week and turn over some of the periodicals?'