1913
First tin dredge in Malaya was introduced in Batu Gajah, Perak
1929
123 active dredges in Malaya (more than 60 in Perak)
1938
TT5 was built by FW Payne & Son (England)
1970
Five (5) dredgers left in Tanjung Tualang, Perak
1982
TT5 ceased operations
1997
TT5 was donated to the State Government of Perak by the Malaysia Mining Corporation (MMC)
2017
TT5 guided tours offered to the public