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2. sliderulemuseum.com › ConciseConcise Slide Rules - sliderulemuseum.com

   sliderulemuseum.com › Concise

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   Concise 26A Circular Slide Rule With Tables ISRM 21.03.26.01: Concise 26A Circular Slide Rule With Weights and Measures Tables Made in Japan by Concise. Pre OEM model with japanese and English labels. Front Scale: D ( C, CI, A, K ) Inserts: Side 1 - Square and Cubic. Side 2 - Length and Weight Back: Japan Steel Works Promotion

3. www.si.edu › spotlight › slide-rulesCircular Slide Rules | Smithsonian Institution

   www.si.edu › spotlight › slide-rules

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   Circular Slide Rules. Slide rules that are round offer the length of a 10" rectangular slide rule in a pocket-sized (roughly 3.6") format, since the scales are on the circumference of circles. The scales are also continuous, so there is no need to make adjustments, such as folded and inverse scales, for results of calculations that go off the ...

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4. People also ask

   Where can I find a circular slide rule/calculator?

   • Specialized/promotional cardboard/plastic film circular slide rule/calculators are also found at the Slide Charts Gallery. The advantage of circular slide rules, is that the dimensions can be small enough to fit in your shirt pocket, yet have the scale resolution of a standard linear slide rule.

   Circular Slide Rules and selected Disk Charts

   sliderulemuseum.com/Circular.shtml

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   What is a round slide rule?

   • Slide rules that are round offer the length of a 10" rectangular slide rule in a pocket-sized (roughly 3.6") format, since the scales are on the circumference of circles. The scales are also continuous, so there is no need to make adjustments, such as folded and inverse scales, for results of calculations that go off the ends of the scales.

   Circular Slide Rules | Smithsonian Institution

   www.si.edu/spotlight/slide-rules/circular-slide-rules

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   What are circular slide rules?

   • Some circular slide rules were made to look like pocket watches, while others were intended to promote particular businesses—Whitehead & Hoag and Perrygraf were especially influential American manufacturers of promotional items.

   Circular Slide Rules | Smithsonian Institution

   www.si.edu/spotlight/slide-rules/circular-slide-rules

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   Who makes concise circular slide rules?

   • This gallery is focused on the varieties of Concise circular slide rules and the many variants of promotional specimens. Concise is manufactured by K.K. Konsaisu of Tokyo, Japan, and is the only manufacturer still producing and marketing new slide rules that have the classic scales.

   Concise Slide Rules

   sliderulemuseum.com/Concise.shtml

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5. www.americanhistory.si.edu › circular-slide-rulesCircular Slide Rules - National Museum of American History

   www.americanhistory.si.edu › circular-slide-rules

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   This circular slide rule consists of a silver-colored metal dial, 8-1/2" wide, mounted on a silver-colored metal disc. Three oblong holes on the base disc permit the reading of trigonometric scales on a white celluloid and cardboard disc that is between the metal discs.

6. www.si.edu › object › concise-600-science-tables-andConcise 600 Science Tables and Circular Slide Rule

   www.si.edu › object › concise-600-science-tables-and

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   Description. This white plastic circular slide rule is on a rectangular base that has a 4-inch ruler on the left side and a 10-cm ruler on the right. A black plastic tape attached along the top edge reads: MATLACK. The top of the base is marked: CONCISE (/) SCIENCE TABLES (/) AND CIRCULAR SLIDE RULE.

7. sliderulemuseum.org › SR_LibrarySlide Rule Library

   sliderulemuseum.org › SR_Library

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   All the images of slide rules in the galleries and the PDF files of scanned books, manuals and instructions have been free to download since 2003. The policy of ISRM is to continue this practice, without restrictions in order to provide research and educational information to the world at large.

8. Videos

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     The periodic table | Atoms, elements, and the periodic table | High school chemistry | Khan Academy

     Oct 30, 2013

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     Periodic Table Explained: Introduction

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     Atomic radius trends on periodic table | Periodic table | Chemistry | Khan Academy

     Jun 14, 2014

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9. www.sphere.bc.ca › oldsite › testSphere's Circular Slide Rule Archive - Circular Slide Rules ...

   www.sphere.bc.ca › oldsite › test

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   An amazing and tiny patented (479446) 2 inch diameter pocket circular slide rule with Perpetual Calendar, covering 1960 to 1981 (to me, this is not perpetual, but GREAT for fixing historical dates and days). Basic Rule on outside ring has C and D scales, inner windows and grid do dates and days.