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Examples

  • Gilbenstock spent another fifteen minutes putting the final touches to his latest set of plans for a gigantic rock-boring machine, this one capable of drilling a perfectly triangular hole through a mountain, assuming anyone ever had a need for such a thing.

    The Dragons of Krynn Weis, Margaret 1994

  • The Aqueous Works and Diamond Rock-boring Company, Limited, of London, show at the Inventions Exhibition, London, a light portable rock-boring machine for prospecting for minerals, water, etc.

    Scientific American Supplement, No. 520, December 19, 1885 Various

  • The mining speculators he called upon received him coldly, and although he had a warmer welcome from the manufacturers of giant-powder and rock-boring machines, they demanded prompt payment for their goods.

    The Lure of the North Harold Bindloss 1905

  • There are certain rock-boring animals, such as the Pholas, which help to decay the rocks.

    Vanishing England 1892

  • Among mollusks, the best known instance of phosphorescence is in the rock-boring Pholas, the luminosity of which after death is mentioned by Pliny.

    Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky Various 1880

  • Inventions in rock-boring and rock-drilling have made it possible to tunnel mountains.

    Outline of Universal History George Park Fisher 1868

  • One of these rock-boring machines, manufactured by

    The Mines and its Wonders William Henry Giles Kingston 1847

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