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  1. Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings /
    By: Wells, David A.
    Edition: 15th ed., rev.
    Publication info: New York :Ivison, Blakeman, Taylor and Co.,1873.
    Contributed by: Ryerson University Library Special Collections (archive.org)
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  2. Year-book of agriculture; or, The annual of agricultural progress and discovery, for 1855 and 1856.
    By: Wells, David A.
    Publication info: Philadelphia,Childs & Peterson,1856.
    Contributed by: University of British Columbia Library (archive.org)
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