Letter from P R Sawyer, Campbell-Johnson Limited, Bolton Street, London to Howard Walter Florey Says that the firm is doing administrative arrangements on behalf of the British Industrial Biological Research Association for the opening of the Carshalton laboratories on 9 June - grateful if Florey would unveil plaque - discusses wording. With manuscript note: Heard from Florey's Secretary that he agrees to wording suggested. 5 May 1965