At the end of the volume will be found a complete index, so that any subject treated can be quickly found. In the table of contents that immediately follows are given the titles of the Sections included in this volume, and under each title are listed the main topics discussed. These illustrations are especially made by our own Illustrating Department in order to adapt them fully to the requirements of the text. To make the text clear, illustrations are used freely. Therefore every effort must be made to give them practical and accurate information in clear and concise form and to make this infor- mation include all of the essentials but none of the non- essentials. Usuallytheyareemployedand able to devote only a few hours a day to study. The great majority of our students wish to prepare them- selves for advancement in their vocations or to qualify for morecongenialoccupations. Necessary technical expressions are clearly explained when introduced. TheInstructionPapers are written clearly and in the simplest language possible, so as tomakethemreadilyunderstoodbyallstudents.

The manuscripts are then carefully edited to make them suit- ableforcorrespondenceinstruction.

Come back to this island of the ocean where nothing will suffice. Our mother ground in sour with the blood of her faithful, they lie gargling in her sacred heart as the legions stare from the ramparts. The original manuscripts are pre- pared by persons thoroughly qualified both technically and by experience to write with authority, and in many cases they are regularly employed elsewhere in practical work as experts. piled by the fearful dead: a desolate peace. The volumes of the International Library of Technology are made up of Instruction Papers, or Sections, comprising the various courses of instruction for students of the International Correspondence Schools.

Dead cells ramparts flower