Geometry and Trigonometry Geometry, Plane Trigonometry, - Paperback

by International Correspondence (Author)

The volume 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. The original manuscripts are prepared by persons thoroughly qualified both technically and by experience to write with authority, and in may cases they are regularly employed elsewhere in practical work as experts.