Read Online Tube Teeth and Porcelain Rods (Classic Reprint) - John Girdwood | ePub Online

Excerpt from Tube Teeth and Porcelain RodsA great deal of new matter has been added, and all the papers have been rearranged in order to simplify the presentation of the subject; but an exception to this will be found in the Introductory Chapter, on which few alterations have been made, and which sets forth some of the principal reasons which have caused the book to be