WebSlide Rule invented by William Oughtred. William Oughtred (5 March 1574 – 30 June 1660) was an English mathematician born in Eton. After John Napier invented logarithms, and … WebDesign for this Antenna Radar Beam Pattern Detection slide rule was classified during WWII by UK & US governments - made by Lawrence Makeba Kombinator pencil & slide rule Rare Carbic-made Fischer Calculator Specialist slide rule for a national home cable radio broadcasting system offered in The Netherlands in the 1900s
Slide Rule Training films - archive.org
http://www.microscopy-uk.org.uk/mag/artdec12/dw-slide-rule-p.html WebSoon after Oughtred ˇs invention of slide rules for general multiplication and division, special slide rules were developed for specific calculations. For example, Wyman [3] describes slide rules developed to calculate taxes on alcoholic beverages. In such special applications the range darwin live chat
A history of slide rules for blackbody radiation computations
WebThe slide rule proper is believed to have been invented in the 1620s, when the Reverend William Oughtred (1574-1660) in Surrey put together two Gunter scales and slid them … http://www.computinghistory.org.uk/det/5922/Slide-Rule-invented-by-William-Oughtred/ English mathematician and clergyman Reverend William Oughtred and others developed the slide rule in the 17th century based on the emerging work on logarithms by John Napier. Before the advent of the scientific pocket calculator, it was the most commonly used calculation tool in science and … Meer weergeven The slide rule is a mechanical analog computer which is used primarily for multiplication and division and for functions such as exponents, roots, logarithms, and trigonometry. It is not typically designed for addition or … Meer weergeven A logarithm transforms the operations of multiplication and division to addition and subtraction according to the rules $${\displaystyle \log(xy)=\log(x)+\log(y)}$$ and $${\displaystyle \log(x/y)=\log(x)-\log(y)}$$. Moving the top scale to the right by a … Meer weergeven Standard linear rules The width of the slide rule is quoted in terms of the nominal width of the scales. Scales on the most common "10-inch" models are actually 25 cm, as they were made to metric standards, though some rules offer … Meer weergeven Even during their heyday, slide rules never caught on with the general public. Addition and subtraction are not well-supported operations on slide rules and doing a calculation … Meer weergeven In its most basic form, the slide rule uses two logarithmic scales to perform rapid multiplication and division of numbers. These common operations can be time-consuming and error-prone when done on paper. More elaborate slide rules can perform … Meer weergeven The slide rule was invented around 1620–1630, shortly after John Napier's publication of the concept of the logarithm. In 1620 Edmund Gunter of Oxford developed a … Meer weergeven Even in the 21st century, some people prefer a slide rule over an electronic calculator as a practical computing device. Others keep their old slide rules out of a sense of nostalgia, or collect them as a hobby. A popular … Meer weergeven darwin living lab symposium