Physical description

Part of a 43-photo record of the MMBW�s engineering feat in drilling a 12 inch pipe line up to 40 feet deep through rock hardened by volcanic action associated with geological fault that occurs along the line. The work took place from October 1979 to May 1980 on the southern boundary of Hubbard Reserve, North Ringwood. The collection was presented to the Ringwood Historical Research Group by J Clarke on 9th June 1980.

Inscriptions & markings

E565 N11 28 April 1980 A43 The grip of the mechanical mole. The square at the bottom revolves, turning the sectioned shaft that carries the mole at its end.