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Table of Contents(Click Chapter Title to jump to Chapter)I What Is a Slide Rule1 Definition of a Slide Rule... and What It Can and Can’t Do2 Unique Characteristics of the Slide Rule4 How Slide Rules Are Made5 What Slide Rules Do5 What Slide Rules Have DoneII How a Slide Rule Works7 Logarithms Are Simple8 Common Logarithms9 A Couple of Strange Terms – Characteristic and Mantissa10 The Starting Point in Slide Rule Operation — Multiplication10 Numbers Less Than OneIII History of the Slide Rule11 Just Before the Slide Rule11 Chronological History of the Slide Rule16 The Slide Rule’s Last Century – the 20th19 EpilogueIV Common Types of Slide Rules23 Basic Types - Closed Body Linear, Open Body Linear, Circular24 The Materials Used to Make Slide Rules24 Wood24 Celluloid on Wood or Bamboo Core25 Plastic25 Aluminum26 Steel26 Scale Arrangements on Common Slide Rules26 Mannheim and Enhanced Mannheim26 Rietz27 Darmstadt27 Log Log Duplex28 Slide ChartsV Less Common Types of Slide Rules29 Less Common Linear Slide Rules30 Other Less Common Types and the Quest for Greater Precision31 Some Scarce Linear Slide Rules that Are Popular with Collectors31 Some Scarce Circular Slide Rules that Are Popular with CollectorsVI Learning Your Way Around a Slide Rule35 Basic Terminology – The Anatomy of a Slide Rule35 What the Scale Letters Mean on a Basic Slide Rule36 How to Read the ScalesVII Performing Basic Calculations39 Multiplication41 Division42 Chain Calculations and Reciprocals44 Squares and Square Roots46 Cubes and Cube Roots48 Dealing with Pi