Search results
Results from the WOW.Com Content Network
Wooden ellipsograph (ca. 1900) now at Smithsonian Ellipsograph on display at Musée d'histoire des sciences de la Ville de Genève. An ellipsograph is a trammel of Archimedes intended to draw, cut, or machine ellipses, e.g. in wood or other sheet materials. An ellipsograph has the appropriate instrument (pencil, knife, router, etc.) attached to ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more
The more generic term "ellipsograph" currently redirects to this article, and ellipsographs in general are described in a section near the end. In my opinion this article would be improved by re-organizing it to make the general topic of drawing ellipses be its root scope, with the elliptic trammel as a top-level section, as a sibling to other ...
Barney Oldfield (left) racing a car on a board track in 1915 Qualifying speeds at two-mile Tacoma Speedway were sometimes higher than those at Indianapolis. The first board track for motor racing was the circular Los Angeles Motordrome, built in 1910 in the area that would later become the city's Playa del Rey district. [1]
A display board, also known as poster board, is a board-shaped material that is rigid and strong enough to stand on its own, and generally used paper or other materials affixed to it. Along with quad charts , display boards were an early form of fast communication developed by the National Weather Service of the United States Department of ...
A year after a panel blew out of a Boeing 737 Max during flight, the nation’s top aviation regulator says the company needs "a fundamental cultural shift” to put safety and quality above profits.
Dry January is a challenge started in 2013 to eliminate alcohol from your diet. This is what you need to know about the health benefits.
Several children were hurt when a display collapsed during a New Year's Eve event for kids in Massachusetts. Display collapses on kids, families after balloon drop mishap in Peabody Skip to main ...