|Description||'Dear Sir, |
I enclose you a receipt for the amount of your a/c sales for December [not attached].
On October 16th last we supplied 2 copies A201 Lockyer, 2 of A203 Penrose, and 2 of A153 Pearson. As they do not appear in your account please be good enough to credit us in your next statement.
Asst. Sec. R. S. [Assistant Secretary, Royal Society]'.