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O Feitiço da Ilha do Pavão

O Feitiço da Ilha do Pavão

FRI SIGN UP BOOT CAMP NEWBIE 16K to OPEN 4PM EST Sign up! Always Like and share first! Read second slide rules! 16K followers or less. Must be Posh compliant. Sign up only by tagging yourself like this all week @girltalk123 Promise 7 days  If you can only play a few days tag yourself like this @girltalk123 Promise Tue Wed Fri 2 day STARTS 6:00PM EST finish by MIDNIGHT Tops Muscle Tees

FRI SIGN UP BOOT CAMP NEWBIE 16K to OPEN 4PM EST Boutique

FRI SIGN UP BOOT CAMP NEWBIE 16K to OPEN 4PM EST Sign up! Always Like and share first! Read second slide rules! 16K followers or less. Must be Posh compliant. Sign up only by tagging yourself like this all week @girltalk123 Promise 7 days If you can only play a few days tag yourself like this @girltalk123 Promise Tue Wed Fri 2 day STARTS 6:00PM EST finish by MIDNIGHT Tops Muscle Tees

Slide rule - Wikipedia, the free encyclopedia Invented 1620, England by Edward Gunter of Oxford. Based on the fact that the addition of two logarithms is mulitplication.

Slide rule - Wikipedia, the free encyclopedia Invented England by Edward Gunter of Oxford. Based on the fact that the addition of two logarithms is mulitplication.

Slide rule - Wikipedia, the free encyclopedia

Slide rules can be fascinating

The slide rule was invented around 1620–1630, shortly after John Napier's publication of the concept of the logarithm. Edmund Gunter of Oxford developed a calculating device with a single logarithmic scale, which, with additional measuring tools, could be used to multiply and divide. The first description of this scale was published in Paris in 1624 by Edmund Wingate (c.1593–1656), an English mathematician, in a book entitled L'usage de la reigle de proportion en l'arithmetique & geometrie.

Slide rule - Wikipedia, the free encyclopedia

Based on the design that was mathematically popular from the 17th century until about the 1970s, the Klokers KLOK-01 watch pays homage to the slide rule with three rotating disks that display time along a vertical line. In other words, there are separate dials for seconds, minutes and hours that you read vertically from center to tell the time. It’s their graphical representation of a slide rule that uses concentric rings and an integrated magnifying lens in the crystal to the tell the time.

Klokers KLOK-01 Slide Rule Watch

Based on the design that was mathematically popular from the century until about the the Klokers watch pays homage to the slide rule with three rotating disks that display time …

Looking for a unique gift for the math nerd in your life?  This fun t-shirt features a high resolution scan of a vintage antique logarithm slide rule showing some of the numeric scales. The text, which reads "Antique Math Geek", can be customized however you prefer. #StudioDalio mathematical apparel clothing

Looking for a unique gift for the math nerd in your life? This fun t-shirt features a high resolution scan of a vintage antique logarithm slide rule showing some of the numeric scales. The text, which reads "Antique Math Geek", can be customized however you prefer. #StudioDalio mathematical apparel clothing

The Slide Rule: A Computing Device That Put A Man On The Moon

The Slide Rule: A Computing Device That Put A Man On The Moon

Before the smartphone, the laptop and the pocket calculator, there was a powerful mechanical computer. Our new series, Tools of the Trade, begins with a look at the slide rule.

Weems  Plath Marine Navigation Nautical Slide Rule * Click on the image for additional details.Note:It is affiliate link to Amazon.

Weems & Plath Marine Navigation Nautical Slide Rule - & plath pool for him

File:Circular slide rule.JPG

Slide rule - Simple English Wikipedia, the free encyclopedia

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