Slide Rules

Basic Slide Rule Instructions - Explains how to multiply, find cube and square roots and other operations. Includes illustrations.
www.hpmuseum.org/srinst.htm

Edwin Thacher's 1881 Slide Rule Patent - Specification forming part of Letters Patent No. 249117, dated November 1, 1881. Includes diagrams.
www.americanartifacts.com/smma/thachpat.htm

Eric's Introduction to the Slide Rule - Slide rule resources and links.
www.sliderule.ca/intro.htm

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.
www.hpmuseum.org/sliderul.htm

How a Slide Rule Works - Short lesson.
www.eminent.demon.co.uk/sliderul.htm

How To Make a Slide Rule (or Log-log or Semilog Graph Paper) - Fairly simple instructions.
calclab.math.tamu.edu/~fulling/m152/sliderul.html

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.
www.math.uwaterloo.ca/~arpepper/Cycling/slide_rule.html

Instructions in Slide Rule Use - Basic information and a number of manuals in pdf format.
www.sliderules.clara.net/a-to-z/instructions.htm

Internet Slide Rule - Internet port of history's most heavily used advanced calculation aid.
www.sagmilling.com/sliderule/

Make Your Own Circular Slide Rule - Templates, directions, and some links to other slide rule sites.
solar.physics.montana.edu/kankel/math/csr.html

Napier's Bones - A story about the use of a 6-inch Pickett "all-metal" slide rule (Model N 200-ES), with case.
www.mwbrooks.com/bones.html

The Scales of the Slide Rule - Various scales in a convenient tabular form. Includes mathematical formulation of the scales.
www.geocities.com/CollegePark/Library/3238/mannheim.html

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.
www.geocities.com/Athens/Delphi/5136/slide.html

Slide Rule Scales - Describes the types of scales found on most slide rules.
www.sphere.bc.ca/test/scales.html