Otis Carter Formby King (1876–1944) was an electrical engineer in London who invented and produced a cylindrical slide rule with helical scales, primarily for business uses initially. The product was named Otis King's Patent Calculator, and was manufactured and sold by Carbic Ltd. in London from about 1922 to about 1972. With a log-scale decade length of 66 inches, the Otis King calculator should be about a full digit more accurate than a 6-inch pocket slide rule. But due to inaccuracies in tic-mark placement, some portions of its scales will read off by more than they should. For example, a reading of 4.630 might represent an answer of 4.632, or almost one part in 2000 error, when it should be accurate to one part in 6000 (66"/6000 = 0.011" estimated interpolation accuracy). The Geniac brand cylindrical slide rule sold by Oliver Garfield Company in New York was initially a relabelled Otis King; Garfield later made his own, probably unauthorized version of the Otis King (around 1959). The UK patents covering the mechanical device(s) would have expired in about 1941–1942 (i.e. 20 years after filing of the patent) but copyright in the drawings would typically only expire 70 years after the author's death. (Wikipedia).
Martin Luther King Jr. | A Crusader For Liberation | Biography
Martin Luther King Jr. was born in 1929 in Atlanta, Georgia. King, although he was an initial skeptic to religion he eventually became a Baptist minister, a civil-rights activist and had a seismic impact on race relations in the United States. Among his many efforts, King headed the Southe
From playlist Examine the Past | History
A profile of musician Elvis Presley, the 'King of Rock 'n' Roll' taken from the BBC/British Pathe Hall of Fame series. Check out our Playlist about Elvis Presley: https://www.youtube.com/playlist?list=PL3kG3TM8jFKhy5MtctSwBR3-L5CEM2-ow 90,000 historic films, all SEARCHABLE on YouTube a
From playlist KING OF ROCK 'N' ROLL
Who Would Be King of America if George Washington had been made a monarch?
Buy my posters here: https://www.usefulcharts.com/ Primary source used was this book series: https://www.amazon.com/Washingtons-Generations-Presidential-Washingtons-History-ebook/dp/B00LCAEBSY Download the chart for free: https://cdn.shopify.com/s/files/1/1835/6621/files/washington-famil
From playlist US President & VP Family Trees
Martin Luther King, Jr: Crash Course Black American History #36
Today we're going to learn about perhaps the best-known leader in the Civil Rights Era, Martin Luther King, Jr. From his rise to notoriety during the Montgomery Bus Boycott in 1955, his leadership of the Southern Christian Leadership Conference, the March on Washington in 1963, his work to
From playlist Black American History
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From playlist New Wave/Electro Pop/Indie Pop: 2009 - 2017 (original!)
Lyndon B. Johnson: A Tragic Figure (1963 – 1969)
Lyndon Johnson ascended to the presidency upon the assassination of John F. Kennedy. He was a large, imposing man, who had been an influential Senate Majority Leader and Vice President. And as President, it is difficult to say whether he is remembered better for his incredible domestic acc
From playlist American History
Up: The History of the Elevator
Versions of elevators have existed for millennia. But the development of elevators safe enough to carry passengers is relatively new. The History Guy remembers the history of an invention that allowed us to build skyscrapers. This is original content based on research by The History Gu
From playlist History without War
Queen Elizabeth II honors President Kennedy (1965)
Queen Elizabeth II., Lord Harlech, Jackie Kennedy and the Duke of Edinburgh (Prince Philip). walk to the President John F. Kennedy memorial stone - the Portland stone. The guests celebrate a Mass for the late President. In a speech, Queen Elizabeth II. is honoring John F. Kennedy. Here y
From playlist JOHN F. KENNEDY
Royel Otis - Going Kokomo (Official Music Video)
Going Kokomo by Royel Otis - listen here: https://royelotis.lnk.to/GoingKokomo From their EP Sofa Kings: https://royelotis.lnk.to/SofaKings Going on tour in July Australia! Tickets on sale now: https://www.royelotis.com/tour Follow Royel Otis: https://www.youtube.com/ @royelotis2587 ht
From playlist 🆕🎧 New Alternative 40 Chart | Updated Weekly
Inflation (Lecture 3) by Paolo Creminelli
Program Cosmology - The Next Decade ORGANIZERS : Rishi Khatri, Subha Majumdar and Aseem Paranjape DATE : 03 January 2019 to 25 January 2019 VENUE : Ramanujan Lecture Hall, ICTS Bangalore The great observational progress in cosmology has revealed some very intriguing puzzles, the most i
From playlist Cosmology - The Next Decade
Laurence Olivier in 'The Canterville Ghost' by Oscar Wilde (1953) - Radio drama
The Canterville Ghost by Oscar Wilde. NBC radio anthology series 'Theatre Royal'. Starring and hosted by Sir Laurence Olivier. Broadcast on 26 December 1953.
From playlist Radio Drama Starring Laurence Olivier
Stanford's Martin Luther King Jr. Institute helps preserve the leader's legacy
One of only a few large-scale research ventures focusing on an African American, the King Institute has cataloged more than 40,0000 documents, such as letters to and from King, recordings of speeches and sermons, as well as published and unpublished writings.
From playlist Stanford Highlights
THG Podcast: Industrial Invention
Listen to this episode of the THG Podcast, which posts in addition to regular History Guy content, about a month after it releases on podcast services. Subscribe to the RSS feed for more: https://feeds.captivate.fm/thehistoryguy/ Check out our new community for fans and supporters! https
From playlist Podcast
Jesse Reno's Magical Staircase (Or, Escalators on the Underground)
Escalators are one of the most important and yet unsung elements of the London Underground. Let's go deep into the subject. Ko-Fi: https://ko-fi.com/jagohazzard Patreon: https://patreon.com/jagohazzard
From playlist London
Why Adding Velocities Does Not Work in Special Relativity
Special relativity is counter-intuitive in a lot of ways. But perhaps the result which is the most confusing for people seeing it for the first time is that nothing can travel faster than the speed of light in a vacuum. It seems straightforward that this can't be true, right? I someone is
From playlist Relativity
Hank Meets a Giant Squid and Other News
Hank is back in the studio and is very excited to be able again to share news of the universe with you, including his encounter with a giant squid, an English king discovered under a parking lot, new pyramids discovered in Africa, and how the compound that makes Viagra work might also help
From playlist Uploads
Visitas Thinks Big 2015: Eric Nelson
From playlist Visitas Thinks Big 2015
Dan Auerbach - King Of A One Horse Town [Official Music Video]
The official video for "King Of A One Horse Town", from Dan Auerbach's second solo LP "Waiting On A Song"! Directed by Aaron Hymes 'Waiting On A Song,’ available now: https://click.ees.link/WaitingOnASong Follow Dan Auerbach: https://www.facebook.com/danauerbachmusic https://twitter.com
From playlist Summer Time
Francesca Da Lio: Analysis of nonlocal conformal invariant variational problems, Lecture IV
There has been a lot of interest in recent years for the analysis of free-boundary minimal surfaces. In the first part of the course we will recall some facts of conformal invariant problems in 2D and some aspects of the integrability by compensation theory. In the second part we will show
From playlist Hausdorff School: Trending Tools