Today planes rely on very different technologies but the rule is still useful whenever you want to do operations without having to type. Circular slide rule simulator free downloads 2000 shareware periodically updates software information and pricing of circular slide rule simulator from the publisher, so some information may be slightly outofdate. Unlike earlier versions of my circular slide rule, i put it far enough towards the outside that i could graduate it for a 20 inch rule instead of as for a 10 inch rule. Just line up the two numbers to get quickly tabs on all their multiples. Download our 100% free circular templates to help you create killer powerpoint presentations that will blow your audience away. I am first to try this but wont download for me to fire 7. Some of them relate to standard rules thornton, faber castell 283n and would be useful whatever rule you have but others are for specialised rules. Can i translate your page slide rule calculations by example on slide rules to the italian language, with your permission. They were finally abandoned with the advent of handheld calculators, computers and smart phones. One of the nice things about circular slide rules is that youll. Slide rules were used for over 400 years for calculating and estimating. Circular slide rule drawn with jeanpaul gendners galva software stationary disc movable disc.
There are already a couple of tutorials posted at instructables on using a slide. Yes, there is some interesting slide rule software that allows you to demonstrate and experiment with slide rule operation. Insurance wheel replaces the old circular slide rules. The single slide rule is designed for beginner, consisting of k, a, b, ci, c and d scales only. Sphere researchs slide rule universe, build your own. This program replicates the most common types of slide rules. Here derek has put together a number of working slide rules that can be used for calculations and demonstrations on the computer. Yes, there is some interesting slide rule software that allows you to. Circular slide rule calculators wheel chart volvelles. Spheres slide rule universe is a repository for information, pictures, history. There are a number of sources of manuals for slide rules, they were usually supplied with slide rules when purchased although over the years they have become detached from the slide rule and are now lost. It is a free, javabased, incredibly precise and configurable scientific slide rule that you. Also because of all the detail, the 30loop spiral slide rule converts to a lowrez bitmap. Get the best deals on circular slide rule when you shop the largest online selection at.
Dereks virtual slide rule gallery a gallery of clickable simulated slide rules. Slide rules usually look like a narrow ruler, but for todays demonstration we will be building a circular slide rule. If both the outside and inside circular rules have identical scales with a full range from 10 to 90, then you have what are known as c and d log scales. Contribute to dustincswagnersliderule development by creating an account on github. Mannheim slide rule 1850 faber castell 283n nestler 23r mannheim issac newton put 3 scales in parallel in 1675 to compute cubes, and proposed the cursor in 1677, but was ignored. Background on logarithms, history of the slide rule, and how it all works. My slide rules this gallery is in the process of some updating, as many of the scans are from the 1990s, when my way of taking pictures was to put the slide rule on a flatbed scanner and hope it came out reasonably clearly. Updated november 3, 2001 types of slide rules and their scales. After seeing phil bs making your own slide rule, i went on a huge slide rule kick. Unfortunately because of the screen resolution, numbers are displayed digitally. Once all the pilots had a rule of this kind on the clock, knowing how to do multiplication and division quickly could save your life. Collection of slide rule replicas slide rules are not manufactured any more.
Datalizer wheel chart calculators are designed for quick calculating. Slide rule scales build your own sr international slide rule. Slide rule software sphere researchs slide rule universe. Circular slide rule calculators wheel chart calculators. Program downloads slide2 formerly slide is a 2d slope stability program for evaluating the safety factor or probability of failure, of circular and non circular failure surfaces in soil or rock slopes. A standard manual for circular slide rules, direct from concise in the fall, 2002.
Concise circular slide rules concise typee weights and measures, conversion tables and circular slide rule. Insurance wheel supports the 3 normal ways of calculating how much premium is. Make your own circular slide rule to be downloaded, in ori flickr. To someone who doesnt know how to use it, a slide rule looks like a ruler designed by picasso. Fivescale circular with slide out panel containing a wealth of useful conversion tables and data. Circular slide rules also eliminate offscale calculations, because the scales were designed to. The slide rule, also known colloquially in the united states as a slipstick, is a mechanical. Circular slide rule king pocket calculator 66 sclales thacher calculator 30 ft. The link below will take you to dereks virtual slide rule site. Scales for an amatuerham radio circular slide rule by patrick egloff va3yh corsica this is circular slide rule calculate a gain, loss or swr when measuring powers or working on antennas. Tim has provided a free downloadable software emulation of the sliderule. Free shipping on many items browse your favorite brands. This software tries to replicate the slide ruler which was so popular way back than.
Circular slide rule instructions tools and materials. I did a lot of research on them, and when i did, i discovered that there are circular variations. The ones, which still exist, will eventually deteriorate with time. Slide has an appealing and easytouse graphical interface, and provides a wide range of modelling and data interpretation functionalities. The basic advantage of a circular slide rule is that the widest dimension of the tool was reduced by a factor of about 3 i. Computing instruments halden calculex circular slide rule.
Again, id recommend printing them on the front and back of the same piece of paper, just like they would come with a sterling slide rule. A member at instructables asked me to explain how to use a slide rule for the sake of those who came along about the time electronic calculators replaced slide rules. Given the binary capability of the overlay design, it can indeed be used for accurate multiplication. There are at least three different scales, and on most of them the numbers arent even spaced evenly apart. Professionally engineered and custom manufactured by datalizer. A stiff paper slide rule made from the template in cliff stolls scientific. The e6b flight computer, nicknamed the whiz wheel or prayer wheel, is a form of circular slide rule used in aviation and one of the very few analog calculating devices. How to use the atlas circular slide rule spiral type. Radiation dosimetric nuclear circular slide rule rl. The appeal of slide rules for use and as collectables.
There are a number of manuals for slide rules here which are available for download. Relax, you dont have to load any to actually run your slide rule, these are training and experimentation aids. Ill refer you as original author with link to your page if you want. I used it every day for trig functions, logs, regular calculations, etc. For example, a 10 cm circular would have a maximum precision approximately equal to a 31. Their elegant simplicity is still a thing of wonderment. Slide rule for windows is a revolutionary new software it is a single sided slide ruler for windows 3.
Overview of the major categories of slide rules, and descriptions of common scale labels and meanings. Here you will find a collection of some of the most prominent models carefully handcrafted and simulated or emulated in javascript. Takeda concise 300 circular slide rule diameter 412, c scale length 10 made in japan this concise circular slide rule has the standard 10 scales arranged on a doublesided plastic disc of about 5 diameter. The first circular slide rule on this link uses a cd case as the basis for the slide rule. Go to the pocket slide rules go to the circular slide rules. Scales to make a circular slide rule using a cd case. Customers tell us that they know circular slide rule style calculators as.
Fowlers longscale calculator vest pocket modelrx for engineers, draughtsman and science students supplied complete in leather case fowlers calculators, like all slide rules, are based on the properties of logarithms, which enable multiplication to. You should confirm all information before relying on it. Both shareware and freeware licensed programs are offered here. To download a zip version for apple macintosh and linux systems. Postscript printer 600 dpi or better with transparency stock scissors a sharp hobby knife or pocket knife thin cardboard the back of an old writing tablet will do white glue and rubber cement if possible. Contribute to dustincswagner sliderule development by creating an account on github. This circular slide rule comes with its original leather wallet and the 95 page soft leather back instruction manual, which also contains numerous rules, tables, and formulae to facilitate the use of this particular slide rule. I particularly like the simulation of the pickett n 525es, a statistical slide rule and one that is uncommon. To be downloaded, in original size, and printed in 200 dpi. How to use a circular slide rule caliper timepieces inc.
This page gives my own templates see below for constructing a circular. I worked at eastman kodak for 30 years as a software engineer specializing in realtime. Turn lc sc will follow, keeping the angle until sc is over 3. Slide2 most comprehensive 2d slope stability software. If you download the instructions, two of the basic slide rules are also attached.
There are also a number of other sites where manuals for download may be found, please look at. Using a slide rule is a bit of a lost art but with a bit of practice, it can be a useful everyday tool. Our next project will include a circular slide rule in the design of the watch. A large number of templates for circular slide rules are given, along with many other templates.
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