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2. Keuffel and Esser - Wikipedia

   en.wikipedia.org/wiki/Keuffel_and_Esser

   The company produced the 4139 Cooke Radio Slide Rule, designed in the mid-1930s by Nelson M. Cooke, of the Navy's Radio Materiel School, thousands of which were made. The K&E 4081-3 Log-Log Duplex Decitrig was a mainstay for engineering students and practicing engineers in the 1940s, 50s, and 60s. [8]

3. Slide rule - Wikipedia

   en.wikipedia.org/wiki/Slide_rule

   Pilot balloon slide rules were used by meteorologists in weather services to determine the upper wind velocities from an ascending hydrogen or helium-filled pilot balloon. [27] The E6-B is a circular slide rule used by pilots and navigators. Circular slide rules to estimate ovulation dates and fertility are known as wheel calculators. [28]

4. Slide rule scale - Wikipedia

   en.wikipedia.org/wiki/Slide_rule_scale

   A slide rule scale is a line with graduated markings inscribed along the length of a slide rule used for mathematical calculations. The earliest such device had a single logarithmic scale for performing multiplication and division, but soon an improved technique was developed which involved two such scales sliding alongside each other.

5. Games on AOL.com: Free online games, chat with others in real ...

   www.aol.com/games/play/masque-publishing/astralume

   Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.

6. Black Friday isn't over at Walmart: Here are the 10 best ...

   www.aol.com/lifestyle/black-friday-isnt-over-at...

   Black Friday isn't just a Friday anymore — these deals will stick around until Tuesday. We found all the best ones at Walmart that are still in stock.

7. Google to tweak search results in Europe after rivals complained

   www.aol.com/news/google-proposes-fresh-tweaks...

   Google plans to make adjustments to displaying search results on its platform in Europe after some smaller rivals complained about lower traffic to their sites following previous tweaks by the ...

8. Otis King - Wikipedia

   en.wikipedia.org/wiki/Otis_King

   Otis King's patent calculator, model K; Photo by Richard Lyon. Otis Carter Formby King (1876–1944) was an electrical engineer [1] 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 ...

9. Most say they probably won’t get updated COVID vaccine: Survey

   www.aol.com/most-probably-won-t-updated...

   Most Americans in a new poll said they probably won’t get an updated COVID-19 vaccine. The Pew Research Center survey found 60 percent said they are “probably not” going to “get an updated ...