The Surveyor and Municipal and County Engineer, Vol. 12

The Surveyor and Municipal and County Engineer, Vol. 12 : July 2 to December 31, 1897 (Classic Reprint)

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Excerpt from The Surveyor and Municipal and County Engineer, Vol. 12: July 2 to December 31, 1897 Taking the organic ammonia and oxygen absorbed Columns, it will be noticed how startling is the change which the coal filtration effects. Alongside these figures is given the esti mated percentage purification ia each case. Attention is drawn also to the nitric nitrogen column, which indicates the bacterial activity of the filter. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.show more

Product details

  • Paperback | 866 pages
  • 152 x 229 x 43mm | 1,134g
  • Forgotten Books
  • United States
  • English
  • , black & white illustrations
  • 0243158726
  • 9780243158720