. Conservation. Forests and forestry. PERFECT CEMENT WORK A inayiilfici'ul liorsecUestnut on llie estate of Mr. William Rockefeller, sliowintr the methods we used in ; treatment. The decay wa-s carefully removed; our own .system of watersheds was used just the edtres of the cavity; the interior thor- oughly waterproofed; the walls of the cavity were sltidded with to help hold the cement firmly in i>lai-e; hotli transverse and longitudinal iron braces were inserted lor tlie double of .strensdheninK the tree and the i-ement; the was then filled in


. Conservation. Forests and forestry. PERFECT CEMENT WORK A inayiilfici'ul liorsecUestnut on llie estate of Mr. William Rockefeller, sliowintr the methods we used in ; treatment. The decay wa-s carefully removed; our own .system of watersheds was used just the edtres of the cavity; the interior thor- oughly waterproofed; the walls of the cavity were sltidded with to help hold the cement firmly in i>lai-e; hotli transverse and longitudinal iron braces were inserted lor tlie double of .strensdheninK the tree and the i-ement; the was then filled in such a manner a-s to the contour of the tree. The hark will heal i'lunpletely over the fillins;, and in time practi- cally conceal all traces of the wound. B- M HAWKS. Superintendent Sprhtuooil l^all Tarrytown, N. Y., April 11, IStOT. fall Mr. Uavey's men worked on the trees on estate for se\eral weeks, and llicir work wius very satisfactory indeed. I can cheerfuUv recommend them. I .shall be very pleased to answer any (luestions. B. M. HAWKS, Superintendent for Mr. Wm. Rockefeller qpjjipip ^ITDr^lPIJY The name DAVEY and the expre'-sioii TREE SURGERY aresynony- Ji M\K^MLt OVr\vJI-/*\* John Davey conceived the idea of tree surgery, his genius made it a science, and his tiien are qualified as no one else could possibly be to execute it. Nearly half a century of experience makes our >vork perfect DAVEY'S School of Practical Forestry TREE Eastern Office, Tarrytown, N. Y. THE BEST IS NONE TOO GOOD IN THE OF YOUR TREES Our interesting booklet "A Grea>.t Revela-tion" will be maLiIed free on request In writing to advertisers kindly mention Conservation. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original American Forestry Association. Washington, D. C. : America


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectforestsandforestry