Copy letter from an unknown correspondent, to the Direct Photo-Engraving Company, 8 Barnsbury Park, N. '[Francis] GOTCH & [George James] BURCH (Phil. Trans.) our revised estimate (£14-10-0) for the plates in Collotype is accepted. We are sending you the plates by parcel post, and the work may now be proceeded with at once. We have communicated with the Author as to sending you the original negatives'. 12 August 1896