Integrated Publishing offers this excellent page specifically on common logarithms.

Integrated Publishing offers this excellent page specifically on common logarithms.

Integrated Publishing offers this excellent page specifically on common logarithms.

Although this Winfield Publishing site is about Winfield, KS, it gives good, general information and pictures about paving roads with bricks "during the first two decades of the 1900s."

This site from Integrated Publishing provides three different examples of theories of magnetism.

Book cover of Masquerades, Tableaux and Drills by Butterick Publishing Company.

Good illustrations and explanations for finding the mechanical advantage of pulley systems.

Good illustrations and explanations for finding the mechanical advantage of pulley systems.

Describes how pulley systems are used in the real world, including the role of the mechanical advantage in selecting the proper pulley system.

Describes common uses of the screw, including its relationship the the inclined plane and mechanical advantage.

Describes common uses of the screw, including its relationship the the inclined plane and mechanical advantage.

Describes, in both pictures and words, how gears are used to increase the mechanical advantage of a system.

Describes, in both pictures and words, how gears are used to increase the mechanical advantage of a system.

Explains the relationship between force and mechanical advantage with diagrams, examples and calculations.

Image of force and mechanical advantage

Good defintion of power supplemented with good diagrams and calculations.

Good defintion of power supplemented with good diagrams and calculations.

Explains how much power is needed to accomplish a task in a specific time. Uses efficiency and power to find the power rating of a motor for a specific application.

Explains how much power is needed to accomplish a task in a specific time. Uses efficiency and power to find the power rating of a motor for a specific application.

Contains a detailed explanation of the complex plane.

Contains a detailed explanation of the complex plane.

Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.

Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.

Very substantial four-page article on how the block & tackle works. (It's a simple machine -- a pulley.) Lots of illustration. Mechanical advantage, formulae, solved problems, all here. Good source for info.