The rule was received with an instruction manual, 1993. This page gives my own templates see below for constructing a circular slide rule, with scales c, ci, d, a, and k. A book from the same era as my recently acquired slide rule was the best introduction i could have asked for. Obviously most of us arent going to use a slide rule for day to day math in jobs or school, but sometimes its interesting to see how these old tools work. An easy introduction to the slide rule asimov, isaac. How to build yourself a slide rule math wonderhowto. They also have pdfs of slide rules that you can print. The slide rule, also known colloquially in the united states as a slipstick, is a mechanical analog computer. The slide rule the book, written by florian cajori, is the standard work on the early history of the slide rule. Well use a paper slide rulekit from themay 2006issue ofscienti. A a completed to make the cursor the end to complete the cursor. Cardboard calculators, slide charts and wheel charts for. The slide rule, a practical manual, 24th edition 1948 by c.
The better the resolution of your laser printer, the more accurate scale placement will be. This is probably the best resource for learning to use your new slide rule. The author was managing director of the company that made unique slide rules but as this was a comprehensive range it will be useful for other rules as well. You need to download the pdf image of the slide rule from. An adding slide rule works just like a multiplication slide rule. There is also a version as a word document which is smaller 2040 kb. The appeal of slide rules for use and as collectables. We propose a firsttimeright method which is a segmentationfree direct classification of wsi cervical cell. This paper examines the design of such rules and poses a few questions on the layout of the scales and their overall usefulness. To someone who doesnt know how to use it, a slide rule looks like a ruler designed by picasso. Classroom activity before introducing the multiplication logarithmic slide rules, show how 2 rulers can make an adding slide rule.
Nate, the mathematics guy shows you the basics of a slide rule. Front has slide chart for antenna height to key number and reverse has slide chart for megacycles and signal in microvolts along with key number calculated on front. Pickett microline 121t 10 polyphase slide rule pictured in thumbnail in the 1960s, pickett began manufacturing lowcost plastic student slide rules under the microline brand name. The slide rule and other instruments which give the same facilities for rapid calculations, are covered by the term mechanical calculation. Tape overlapping cursor ends on back simple paper slide rule by. The 120 trainer is a 10 simplex polyphase slide rule with a.
The longer tick marks are 1 cm apart, and the shorter are 1 mm apart. There are at least three different scales, and on most of them the numbers arent even spaced evenly apart. Dietzgen 1771 redirule simplex slide rule national museum. It doesnt matter if it is a european, japanese or north american slide rule, it hi, every time i play with my slide rules, i wonder why the physical length of the scales on most rules the same. Ron manleys slide rule site take the instructions link. Henry suttons slide rule top was an early circular rule circa 1663. Slide rule a quality instrument for sterling student or professional operating instructions a complete course in use and operation of slide rule the sterling student slide rule is an accurate instrument for use in multiplication, division, proportion, square and cube root problems, as well as sine, tangent and logar ithm solutions. I teach 4th grade math and some of my students are struggling with multipication and division. A stiff paper slide rule made from the template in cliff stolls scientific american article.
Sphere researchs slide rule universe, build your own slide. Bissaker slide rule 1654 circular slide rule king pocket calculator 66 sclales thacher calculator 30 ft. It is very similar to the type used decades ago, and provides good practice in using analog devices. Publication date 1965 collection thecomputermuseumarchive. Before the 1970s the slide rule, or slipstick, was as common as the typewriter or the mimeograph machine. A slide rule is a tool that math students used to multiply and divide before there were calculators. Also, the creator of the universal slide rule league a lunchtime 5 minute competition of 10 problems for the slide rule. He explains what a slide rule is and how you can build one of your very own. The cursor aligns with 9 on the left half of the a scale. It is unfortunate that, for some reasons not easy to see, the slide rule is sometimes regarded as a difficult instrument with which to. Adding slide rules are not practical, but demonstrate how to use a slide rule in a simple.
I was hoping to find a simple slide rule i could print out and this will fit the bill nicely. The graphics can be used to construct a custom slide rule scale set by copying and pasting into a picture editor and printing out onto paper or transparancies. After printing the pdf file, i enlarged it with a copy machine to about 150%. The slide rule, a practical manual, 19th edition 1930 by c. Spheres slide rule universe is a repository for information, pictures, history and links to sellers, other sites and experts, and an online store. Hence the performance of classification pipeline depends on segmentation accuracy. To build the slide rule, you will need to download and print the following image at 300 dpi. No matter what youre looking for or where you are in the world, our global marketplace of sellers can help you find unique and affordable options. I decided i wanted to make one of these just for fun, but mount it on wood and plexiglass. To add to the frenchenglish paper just uploaded by m.
With a bit more effort, techies could also compute ratios, inverses, sines, cosines and tangents. 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. O if your slide is too loose, on most high quality slide rules it can be adjusted, but in the meantime, let the thumb and fingers of your. All other scales on a slide rule are referenced to the c and d scales. Some donors have provided these booklets and other paper items, such as advertising flyers, directions for cleaning slide rules, warranty certificates, and. You can enter and read a number typically to two or three decimal digits only. I have read with great interest the abstract of the paper on the invention of the slide rule, by prof. This general electric slide chart is double sided with a plastic cover over a cardboard slide card.
An easy introduction to the slide rule by isaac asimov. They also have pdf s of slide rules that you can print. As graphical analog calculators, slide rules are closely related to nomograms, but the former are used for general calculations, whereas the latter are used for applicationspecific computations. Slide rule was invented by english minister william oughtred in 1622. I have thought about making my own slide rule, and finally did. Currently there are 63 slide rule related articles to. Etsy is the home to thousands of handmade, vintage, and oneofakind products and gifts related to your search. In a separate calculation you find the order of magnitude by combining the powers of 10. In addition are a few manuals i have written for my own jugglers and radix series slide rules. Sphere researchs slide rule universe, build your own. Im not an expert im also not old enough to have learned slide rule use in school. Pdf file to generate the scales on a sheet of paper. Note to parents most of the content within the kid s rule pages.
An easy introduction to the slide rule internet archive. To do a calculation with a slide rule you reduce all numbers to scientific notation with 24 digits then use the slide rule to perform the basic operations. Slide rule style calculators are standard reference tools for many industries. Three screws for adjusting the rule are on the back of the instrument.
Hints for a happy slide rule experience o when moving the slide, hold the body upper or lower with your fingers front and back. Once you become comfortable with using your slide rule, you may choose to tear out the 4 sheets of paper that comprise part i, fold them up, and stick them inside your copy of the nautical almanac, to give you a concise reminder of things you know how to do. You can afford to put one in the hands of everyone who buys what you sell. The left index for the b scale is aligned with 4 on the left half of the a scale. The pdf file for this slide rule has some problems that make it unfit for anything but practice by a.
The first circular slide rule on this link uses a cd case as the basis for the slide rule. The 120 trainer is a 10 simplex polyphase slide rule with a nonreversible slide. The first of a series of videos explaining the basic slide rule. May 18, 2016 the first of a series of videos explaining the basic slide rule. Simple paper slide rule michael gasperi 2012 fold fold cut cut cut 1.
Notice one inherent problem with the pdf file that serves as a pattern for this slide rule. Cajori, which appeared in nature of december 30, 1909. The above is a fun demo design but with modern printers and some craft andor wood making skills, some very fine slide rules can be made, linear and circular models in particular with a range of templates available. Here are a few instruction manuals for aw faber faber castell slide rules that i have acquired, most came with slide rules as indicated. The slide rule, a practical manual, 22nd edition 1941 by c. Additionally, the slide rule does not tell you where the decimal point is located in the answer. Carefully cut along the solid lines to make the body and slide. Making a slide rule you have been given a piece of paper with tickmarked lines on it. 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.
Dietzgen 1771 redirule simplex slide rule national. Compared to a calculator, a slide rule is severely limited in its accuracy. Due to popular request, the following 75 reference scale images are combined into one file that you can download. Because of pdf formatting, you must print it to standard 8.
Scientific american may 2006 university of vermont. Feb 18, 2018 the best slide rule calculator tutorial. The slide rule also does not tell you the sign of your result. Their first model was the 120 trainer, introduced in 1964. Dietzgen redirule 5 inch pocket slide rule molded plastic, leather sheath 1771. They are simpler to use than conventional slide rules, more convenient than electronic calculators and less expensive than computers and smart phones. The slide rule, a practical manual, 23rd edition 1942 by c. Elektro rules paper international slide rule museum.
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