Inventory Reference 9/2/066/0017 Formal Gradings Grading Grade II GradingComment archiveimport Grading by: South African Heritage Resources Agency Statement of Significance This unique pump engine, typical of that invented by Thomas Newcome of Cornwall in 1712, was used to pump water from the O'Okiep mine during the period 1882 to 1929. The pump engine was restored in 1965-1968.