The protractor and the Bunsen burner. Playing the recorder in music class. Drawing arcs and circles with a compass in geometry. These tools of the education trade become part of our lives for a ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. One of the first types of slide rules ...

An early computing device invented by Reverend William Oughtred in London in the 17th century. Primarily for multiplication and division, the slide rule has two stationary sets and one sliding set of ...

It was the only technological tool widely and continuously used for over three centuries. For math and science geeks it was a badge of honor, nestled neatly into a plastic pocket protector along with ...

20141022_atc_the_slide_rule_a_computing_device_that_put_a_man_on_the_moon.mp3?orgId=1&topicId=1013&aggIds=359620445&d=489&p=2&story=356937347&t=progseg&e=358034983 ...

When is a line not a line? When it’s a series of tiny dots, of course! The line is actually tiny, laser-etched craters, 0.25 mm center-to-center. That’s the technique [Ed Nisley] used to create a ...

Before the smartphone, the laptop and the pocket calculator, there was a powerful mechanical computer. Our new series, Tools of the Trade, begins... The Slide Rule: A Computing Device That Put A Man ...