Straight jaw "alligator" pipe wrench; the inventor's names and addresses were ascertained from other sources.
A June 1870 writeup identifies the manufacturer as Bury & Co. of Sheffield.
See also Ripley's successor patent GB-187001295.
Note: Early English patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent # (with "leading zeros" interposed to make the number total nine digits). This patent is #3,517 of the year 1869.