Letter from M Prendergast Parker, 6 Lebanon Park Mansions, Twickenham, to [Robert William Frederick] Harrison, The Royal Society 'Dear Sir, I beg to enclose my a/c for Messrs [?], plates. As the work has been sometime in hand, the job is rather a heavy one. I should be extremely obliged if the a/c could be pssed at the next Council meeting. Thanking you for having entrusted me with the work. I am, Yours faithfully, M Prendercast Parker'. 18 January 1904