Scientific American. Marcu 7, 1891.] 15 Cen} THE PROCTOR TOWER. The Bone Grafting Experiment, power reservoir to the vertical cylinder, and opens a The building and grounds committee of the Colum- bian Exposition have accepted the design for a tower which we illustrate herewith. The tower is to be… … been successful, but the bone graft was covered with GROSS’ LOCOMOTIVE ATTACHMENT. an irregular new growth, and circulation was shown to have been established between the boy and dog. At track rail. To reset the apparatus it is only necessary the end of five weeks the graft was removed from the to…
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