Description | 'Dear Sir, Referring to your letter of January 13th., we have no instruments now in our charge of the kind you name, but I send you a list of four pieces of apparatus which we have and which may be of interest to you. I regret I am unable to give you any material on the history of weighing instruments. I am, yours faithfully, R. Harrison TEJ) Asst Sec RS [Assistant Secretary, Royal Society]'. |