The stamps were in use until the early 1950s to
reprocess low grade mine waste by crushing it to a
fine sand, prior to it going to be further processed
into tin concentrate, which was then sold to the
smelters. Even though not much concentrate was
produced, the process was considered worthwhile due
to low running costs.
They were saved and dismantled in the early 1980s by
Clive Carter who lived at nearby Canons Town. He
restored and re-erected them at the original Geevor
Tin Mine Museum.
After the mine closed in 1990 they were again
removed and restored, before being installed in the
new Geevor museum by Clive and John Williams and
Jerry Harvey from Pendeen, with technical input from