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Treadle and Pedal Powered Grinders
Machine of the Month

Treadle and Pedal Powered Grinders

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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Protected: Measure the World Unit
Lesson Plans

Protected: Measure the World Unit

There is no excerpt because this is a protected post.

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Brown & Sharpe Micrometer, 1878
Machine of the Month

Brown & Sharpe Micrometer, 1878

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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Automatic Lathe, 1871
Machine of the Month

Automatic Lathe, 1871

This screw machine produced the screws used in pocket watches that were popular in the late 1800’s early 1900s. This machine replaced several manual operations. A series of circular cams and followers convert rotary motion into linear motion.

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Achieving Repeatability Kits
Activity

Achieving Repeatability Kits

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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Machine of the Month:  Lincoln Mill
Machine of the Month

Machine of the Month: Lincoln Mill

We have three milling machines and a drawing that go together in interesting ways. Frederic W. Howe was a supervisor here at Robbins & Lawrence.  He had a very inventive […]

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Experimenting with Energy Kit
Activity

Experimenting with Energy Kit

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. […]

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Patterns and Molds
Machine of the Month

Patterns and Molds

A pattern is the master copy of a design. Wooden patterns like these could have been used hundreds of times before losing their shape. Flat back patterns, like these wrenches, […]

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Parker Press, c. 1870
Machine of the Month

Parker Press, c. 1870

MECHANICAL PRESS, Parker Bros., Meriden Conn, c. 1870 This is one of our most commented-on machines.  It looks so good!  Our documents don’t tell how it came to have such […]

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Ballistic Chronograph, 1915
Machine of the Month

Ballistic Chronograph, 1915

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

This clever device measures the speed of bullets.

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