Perhaps more importantly, my class of 1980 was the first class to have women. Our goal is to create a resource of image repositories. Andy was a contributor of numerous slide rules to the international slide rule museum which can be found in the pickett and post galleries. To download a zip version for apple macintosh and linux systems. The number of scales on a slide rule vary depending on the number of mathematical functions the slide rule can perform. Scroll down on the menu on the left to go directly to a particular brand or to see other data. Pickett n909es simplex trig rule with metric conversion pickett n3t power log exponential log log dual base. The result is a zipfile that, if extracted to your usb key, will run without internet connectivity.
Abandoned with the advent of handheld calculators, computers. This site hosts a portable package of derek ross, stefan vorkoetters, and brian bartholomews virtual slide rules browserhosted slide rule simulators. A virtual slide rule for windows 982kxpvista some may have played around with the virtual kids rule. Jun 25, 2014 valveworks usa presents the virtual flange slide rule.
Because of the delay needed to download the scale image emulator. Slide rule universe take the learn to use and clean them link. Basic slide rule is a little advanced for 4 year olds, but the kids like anything that has moving parts. Alternatives i am also working on more advanced, gui version.
Virtual flange slide rule for pc windows or mac for free. This web page lists whole slide and static image examples. The ones, which still exist, will eventually deteriorate with time. A slide rule is a mechanical device that uses the alignment of numeric values marked on sliding scales to perform mathematical calculations. Virtual flange slide rule for android apk download. If you have questions or comments regarding the university of michigan virtual slide collection, please contact dr.
The windows application, unlike the browser based one. Slide rule forum at yahoo is a small discussion group dedicated to slide rules. Virtual pickett n909es simplex trig rule with metric. Download this presentation 3mb pdf consisting of over 55 slides on. Virtual flange rule api virtual flange slide rule is a free program that helps you measure and calculate different flange size, service pressure rating, standard ring number and many more valve components. This is also why the word replica is quite appropriate for those simulations. It was a indicator of just how much the person could spend on a slide rule. This screen ruler is a great tool that allows you to accurately measure anything on your screen.
The slide rule and other instruments which give the same facilities for rapid calculations, are covered by the term mechanical calculation. Ron manleys slide rule site take the instructions link. Slide rules were used to go to the moon and to build bridges, skyscrapers, tunnels, aqueducts and nearly everything else. There were thousands of slide rules produced, many of them with interesting scale layouts. Please note that this program is processorintensive and with heavy use, will probably drain your battery fairly quickly. Alternatively, you may download the whole emulator and place it on your own site. Inthefield access to api 6a flange dimensions provided by valveworks usa for quick and easy troubleshooting assistance. In a separate calculation you find the order of magnitude by combining the powers of 10. Manleys slide rule page among other resources on this page is a nearly complete teach yourself the slide rule manual that manley has scanned in.
Aug 20, 2019 download virtual flange rule for free. It transcends the limitations of real physical slide rules by allowing variable. Api flange slide rules custom slide rule calculators. Yes, there is some interesting slide rule software that allows you to demonstrate and experiment with slide rule operation. Before going into detail, lets build an intuition on why virtual functions are needed in the first place. Circular slide rule calculators wheel chart calculators. Valveworks usa presents the virtual flange slide rule. Here is the portable package viewable online from my web site.
You can download additional instructions from the isrm museum library or visit. This one is complete with a numeric readout of the cursor position. If you look at some of the holders there are 2 long strings often leather at the end. I took freshman chemistry from linus pauling at caltech, and he used to pull a little 6 slide rule out of his pocket and read off results to 6 or 8 decimal places, while the class cracked up with laughter. Valveworks usa prides itself in its vast stock of readytoship products which meets the high demand of shortterm delivery in the oil and gas industry. 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. Pickett n904t trig and decimal keeper speed rule pickett n525es statrule pickett n4es vectortype log log dual base speed rule pickett 160es microline pickett n600es log log speed rule if youre not sure about how to use a slide rule, take a look at slide rule calculations by example opens in new window. Embedding virtual slide rule in your page nsg home page. Download virtual slide rule and enjoy it on your iphone. Virtual slide rule is what the title suggests, created by ryan chadwick.
This application gives you access to all the relevant measurements and dimensional data for the api 6a integral flange. This software will read the data captured by the olympus vs120 system. Ill refer you as original author with link to your page if you want. See how to embed slide rule emulator page for explanation how to do this. Embedding virtual slide rule in your page if you have slide rule related web page and would like to give the user the ability to try slide rules you are writing about or to evaluate slide rule calculation examples, then you may wish to embed an emulator in your page. This is especially useful when measuring graphics, web page browser sizes or whatever.
Slide rule software sphere researchs slide rule universe. Firstly, download and install an android emulator to your pc. There are a number of manuals for slide rules here which are available for download. Official tumblr site of dereks virtual slide rule gallery. I also added brian bartholomews virtual slide rules and slide calculators as of february 2016. Download the free viewing software for virtual slide images.
They were finally abandoned with the advent of handheld calculators, computers and smart phones. Naval academy class of 1980 as plebes in the summer of 1976. Slide rules were used for over 400 years for calculating and estimating. A cursor is fixed in the center of the window to allow for accurate readings. Actually what he was doing was rapidly subtracting to find the remainder in his head, and using the slide rule to do the division on that. Referencing if you maintain slide rule related page, you may be interested in adding some virtual slide rule functionality to it. Dereks virtual slide rule gallery a whole bunch of simulated slide rules. All the replicas can be yours right now, totally free. Useful if you find my primer to be somewhat lacking. If the frame was removed, then virtual slide rule will be created in a separate new window.
Initial examples based on dereks self guided demo and expanded by mike konshak. Find highquality slide rule stock photos and editorial news pictures from getty images. Unless otherwise stated, all texts, graphics, user interface, visual interface, images, and computer codes referred to collectively as the contents on the website, including but not limited to the design, structure, selection, coordination, expression, look of interface or images and sorting of these contents, are all owned by the digital pathology association or its licensor. A virtual function is a member function in base class that you expect to redefine in derived classes. The potential uses of slide rules go far beyond those described on this site. Because of the delay needed to download the scale image emulator sometimes calculates height of scale incorrectly. Jr screen ruler free virtual ruler for your computer screen.
Choose a slide rule from a list pick one from an extensive list of slide rule layouts. The slide rule was used for over 400 years as a calculatingestimation tool. For some reason, it has a much smaller following than the international slide rule group. Download premium images you cant get anywhere else. Overview of the major categories of slide rules, and descriptions of common scale labels and meanings. Can i translate your page slide rule calculations by example on slide rules to the italian language, with your permission. Before electronic hand held calculators, the slide rule was widely used in engine ering, science. Embedding virtual slide rule in your page internal information. I believe we were the last class to be issued slide rules because of the advent of electronic calculators. I particularly like the simulation of the pickett n 525es, a statistical slide rule and one that is uncommon.
Virtual slide rule hyperlinks on these pages follow another approach. All slide rule specimens, scans, photos and ephemera are organized into one of 51 galleries. If you are the developer of this app and would like your information removed. Thank you for visiting the dpas whole slide imaging repository. The link below will take you to dereks virtual slide rule site. This is newest and latest version of virtual flange slide rule com. Here you will find a collection of some of the most prominent models carefully handcrafted and simulated or emulated in javascript. Virtual slide rule see how calculations used to be done before the days of electronic calculators, find out about an important piece of engineering history with this virtual slide rule. Click here to go back the java runtime environment sun microsystems is required to see this animation.
Let us assume, we are working on a game weapons specifically. This program does not include instructions on how to use a slide rule. There are also a number of other sites where manuals for download may be found, please look at. Additionally, the slide rule does not tell you where the decimal point is located in the answer. Slide rules were simple to use and accurate enough for most occasions. All the relevant measurements and dimensional data for the api 6a flange. Here derek has put together a number of working slide rules that can be used for calculations and demonstrations on the computer. Perhaps in a future release some of those will be added, but instructions are still available online in the form of scanned manuals from physical slide rules, and in various articles published online. 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.
The mad slide ruler is a fun site dedicated to using and enjoying slide rules. This is an ideal teaching tool for displaying in front of a class or for individual selfstudy. Identify flange dimensions by selecting the nominal flange size. Keep a camera cover on your laptops webcam that can slide open when you actually want to be seen. Updated november 3, 2001 types of slide rules and their scales. The metal window is inserted over the slide rule to act as a place holder. A strong community citizen, andy served in his church and was an active leader of the local chapter of the society of manufacturing engineers. This free pc software is developed for windows xp7810 environment, 32bit version. If frame with slide rule is present, then emulator will create new slide rule in this frame and remove any old slide rule that was there. Both shareware and freeware licensed programs are offered here. Dereks virtual slide rule gallery a gallery of clickable simulated slide rules.
There are also a couple of slider calculaters from brian and myself. Collection of slide rule replicas slide rules are not manufactured any more. It should be noted that the virtual slide rules were made possible by walter zorns drag and drop for images and layers. Also, the creator of the universal slide rule league a lunchtime 5 minute competition of 10 problems for the slide rule.
If at some point you wish to get rid of this frame click deframelink located of the bottom of each page on this. Because of the level of detail needed to accurately represent a slide rule, this simulation is best viewed fullscreen on a highresolution wideformat display to get the full effect of using a slide rule. The e6b flight computer, or simply the whiz wheel, is a form of circular slide rule used in aviation. And the iphone, with its touch interface and core animation library, is utterly perfect for that application.
Relax, you dont have to load any to actually run your slide rule, these are training and experimentation aids. My high school chemistry teacher 1976 who would only let us use slide rules and our brains during the first semester. If you have comments or suggested additions, please email the dpa here. Simulated pickett n909es slide rule instruction sheet jpg explanation gallery index back to antiquark copyright 2005 derek ross. Background on logarithms, history of the slide rule, and how it all works. It might be good to try a slide rule with a different download for the scales in order to see if it would be more accurate. The scales ad are labeled on the lefthand side of the slide rule. Oct 23, 2018 since virtual flange slide rule is an android app and cannot be installed on windows pc or mac directly, we will show how to install and play virtual flange slide rule on pc below. The sterling precision slide rule, with the instruction sheet shown here, was issued to the u. You can start up this virtual slide rule opens in new window to try these and. All of the virtual rule pages have been made identical in style, and they now share a single style sheet and a single copy of the modified and updated wzdragdrop script.
This slide rule is the preferred reference tool in the field for its fast, accurate answers to sizing questions. Screen ruler can display pixels, inches, picas or centimeters. It is unfortunate that, for some reasons not easy to see, the slide rule is sometimes regarded as a difficult instrument with which to become proficient. Bob denny has packaged all the slide rules into a single, selfcontained zip file, which makes them. For the past 400 years, the calculations performed on slide rules have made possible such feats as designing the first skyscraper and putting a man on the moon. The slide rule, also known colloquially in the united states as a slipstick, is a mechanical analog computer. Virtual flange slide rule for ios free download and.
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