Artefacts

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Tense Moment in Trench Mining Operations. Courtesy Ballarat Heritage Services Picture Collection

Detonator

Galvonometer

Geophone - The geophone gave a true reproduction of sound and a true determination of direction. Geophones were used in pairs with a compass mounted on a piece of deal board about 9 inches long, pointed at each end, to allow finer adjustment to the centres of geophones when determning direction.[1]

Seismomicrophone - Transmitted sound from as many as fifty gallery faces to a central starion in the rear. This reduced some of the forwasrd gallery listening. [2]

Test Cell[3]

Wheatstone Bridge

References

  1. Woodward, O.W., Notes on the Work of the Australian Tunnelling Company in France IN Proceedings of the Australian Institute of Mining and Metallurgy," No 37, 1920.
  2. McLeod, Roy, Phantom Soldiers: Australian Tunellers on the Western Front, 1916-18, Journal of the Australian War Memorial, no.13, Oct 1988, p.31-43.
  3. Woodward, O.W., Notes on the Work of the Australian Tunnelling Company in France IN Proceedings of the Australian Institute of Mining and Metallurgy,' No 37, 1920.