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