About Slide Rules
Explains how to use the different scales to multiply and divide.
Basic Slide Rule Instructions
Explains how to multiply, find cube and square roots and other operations. Includes illustrations.
Edwin Thacher's 1881 Slide Rule Patent
Specification forming part of Letters Patent No. 249117, dated November 1, 1881. Includes diagrams.
Eric's Introduction to the Slide Rule
Slide rule resources and links.
History of the Slide Rule
Basic facts involving the development of the slide rule. Includes diagrams and links to information on various types of slide rules.
How a Slide Rule Works
Short lesson.
How To Make a Slide Rule (or Log-log or Semilog Graph Paper)
Fairly simple instructions.
How to Use a Slide Rule as a Bicycle Gear Chart
Slide rules are useful for doing gear calculations. Briefly describes a method for doing so.
Instructions in Slide Rule Use
Basic information and a number of manuals in pdf format.
Internet Slide Rule
Internet port of history's most heavily used advanced calculation aid.
Make Your Own Circular Slide Rule
Templates, directions, and some links to other slide rule sites.
Napier's Bones
A story about the use of a 6-inch Pickett "all-metal" slide rule (Model N 200-ES), with case.
Slide Rule as a Teaching Tool
Examples of how the slide rule is a useful tool for teaching the mathematical concept of transformations. Examples and illustrations.
Slide Rule Scales
Describes the types of scales found on most slide rules.
The Scales of the Slide Rule
Various scales in a convenient tabular form. Includes mathematical formulation of the scales.
