|Alternative reference number||NLB/53 p301|
|Title||Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to W.R. Cooper Esq.|
|Date||07 September 1916|
|Description||'My Dear Sir,|
The account which you have recieved from Messr Harrison & Sons for blocks appears to be quite in order. The blocks were ordered on May 15th in your name according to practice.'