Annual record of science and industry . A. a 1^ % s? % NEW YORK: HARPER & BROTHERS, PUBLISHERS, FRANKLIN SQUARE. 1876. Entered according to Act of Congress, in the year 1876, by Harper & Brothers, In the Office of the Librarian of Congress, at Washington. PREFACE. In presenting to the public the fifth volume of the se-ries of the Annual Record of Science and Industry, afew words in explanation appear to be called for. In each of the successive numbers already published,new features have been introduced, suggested by expe-rience as well as by the advice of the scientific collabora-tors and frie
Annual record of science and industry . A. a 1^ % s? % NEW YORK: HARPER & BROTHERS, PUBLISHERS, FRANKLIN SQUARE. 1876. Entered according to Act of Congress, in the year 1876, by Harper & Brothers, In the Office of the Librarian of Congress, at Washington. PREFACE. In presenting to the public the fifth volume of the se-ries of the Annual Record of Science and Industry, afew words in explanation appear to be called for. In each of the successive numbers already published,new features have been introduced, suggested by expe-rience as well as by the advice of the scientific collabora-tors and friends of the editor.* These are exemplified inpart by the increasing number of communications andcriticisms on progress in the various branches of science,and by the greater extent of historical resumes givenunder the caption of General Summary of have gradually increased in the successive yearsfrom 16 pages in the volume for 1871, to 272 in thatherewith presented. The editor has been pleased to notice that his end
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Keywords: ., bookauthorbairdspe, bookcentury1800, bookdecade1870, bookyear1875
