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A Watch Camera
1887
Scientific American
J'ci-tutifit �mtritau� rOCTOBER 22, 18&7, IiIlope. Cor CaUln". a04 EDlbankment.,stated that all the new explosives, about which there thrown violently from the hose on the foliage has not In rock cuttings, many instances may be adduced of has been so much said and written lately, such as the desired effect. The grower in question affirms that the sides of excavations differing very slightly from roburite, melanite, etc., are due to the action of nitric no harm ever comes of such a lavish use of
doi:10.1038/scientificamerican10221887-260
fatcat:ndscfv2oafax5hamdribzzcgka