"The Log Log Duplex Trig"
"Slide Rule"
"No. 4081"
by: Lyman Kells, Willis Kern, and James Bland
Copyright 1943
- Title page, slide rule illustration, copyright page, and Preface
- *Table of Contents ---------------------------------------------------------------------- pages 1-2
- *Chapter I --- Multiplication and Division ------------------------------------------------ pages 3-13
- *Chapter II -- The Proportion Principle and Combined Operations ---------------------- pages 14-25
- *Chapter III - Squares and Square Roots, Cubes and Cube Roots ---------------------- pages 26-36
- *Chapter IV - Plane Trigonometry
- *Chapter V -- The LL (Log Log) Scales ------------------------------------------------ pages 70-81
- *Chapter VI - Logarithms and the Slide Rule -------------------------------------------- pages 82-91
- *Historical Note ------------------------------------------------------------------------ page 92
- *Answers ------------------------------------------------------------------------------- pages 93-99
- *Index ---------------------------------------------------------------------------------- pages 100-101
*The text for the 1938, 1939, and 1943 editions of the manuals are identical. Scans of these sections are from the 1943 edition.
Ads in the back of the book:
This manual is from the collection of Clark McCoy