| Description | The docket is on a separate wrapper.
Docketed “Receipt of estimates of double pumping engines with auxiliary beams. Thinks the rotative shafts and cranks should be of wrought iron. Wish for sketches of the rotative engines and also of the pumping engines. Copy of letter from Mr. Telford wanting estimates of engines etc. to fill the lock 8 feet. About Mr. Murdock’s taking out a patent for the air scheme. Mosley has written about his interview with Barclay & Co.’s agent.” |