People have been grinding materials to process food, smooth surfaces, and sharpen tools for tens of thousands of years. Archeologists have found ancient grinding stones, which are rough rocks typically […]

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This is believed to be the original machine made by Brown & Sharpe to use in their plant to measure the high precision products they made, such as gage blocks.

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The American Precision Museum, in collaboration with SparkShop, has developed a series of free kits that give 4th- to 6th-grade students a hands-on introduction to Manufacturing, STEM, and Design. In […]

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BALLISTIC CHRONOGRAPH
James Pitkin & Co, London, C 1915, Le Boulenge type.

This clever device measures the speed of bullets.

Let’s assume that you haven’t ever considered how to make a slide rule.  We have a machine at the Museum that did make them. It worked for the Keuffel & […]

What forces and materials help airplanes fly? This summer camp theme explores Simple Aerospace. Project: Description: Related concepts and machines: Principles of Flight: Forces and Axes From NASA: Principles of […]

Why does friction matter when using machines? This summer camp theme explores friction and smoothness. Project: Description: Related concepts and machines: Bearings From Try Engineering from IEEE. Bearings are found […]