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Index 103IndexAAcu-Math 78Addiator 69Advanced features 67Aluminum, slide rules made of 25Analon, Keuffel & Esser 32Anatomy, slide rule 35Aristo 15, 30, 31, 36, 37, 71, 73, 76,77, 80Articles on slide rules 86Bamboo 24, 90Basic types 23BBelcher Brothers 15Body 35Books on slide rules 83Boulton, James 14Business & finance 71CCajori, Florian 83Caring for your slide rule 87Cases, leather 92Celluloid 24, 87Chain calculations 43Charpentier slide rule 33Chemistry 34, 71Circle, area of 48, 57Classroom demonstration slide rule30Cleaning your slide rule 87Coggeshall, Henry 12Collecting 99Color coding 68Companies, major slide rule 75Concise Co., Ltd. 76, 79 Cosine 51Cotangent 52Cox, William 16Cubes and cube roots 46Cursor 35Cursor, cleaning 90Cursor, multi-line 67Cursor, repairing 91DDarmstadt 27, 37, 80, 81Dealers 95Deci-Lon, Keuffel & Esser 23, 51Decimal point, location of 40, 54, 58Denmark 77Dennert & Pape 15Dietzgen, Eugene Co. 20, 23, 24, 26,46, 75Division 41Diwa 53, 77Dutch Circle of Slide Rule Collectors95Ee, base of natural logarithms 55eBay 96Einstein, Albert 6, 19Electricity 72Electronic calculators 70 Electronics72End brace, cleaning 91End brace, end bracket 35Engine divided scales 15England 77Erasers 89Everard, Thomas 13Exponentiation 55FFaber-Castell 15, 25, 27, 32, 67, 68,69, 70, 73, 80Fowler’s calculator 35France 29, 77Fuller calculator 31Fuller, George 15GGalilei, Galileo 11Gauge marks 67Germany 77Gilson 3, 23, 75Gilson binary 23Graphoplex 29, 77Gunter scale 12Gunter, Edmund 12Hairline 91Hemmi, Jiro 18HHemmi; Sun Hemmi 18, 19, 29, 41,48, 71, 72, 76Hewlett Packard Museum of Calculators97History, chronology 11History, epilogue 19History, its last century 16History, prologue 11Hopp, Peter 83Hyperlog 0972, Aristo 31IIndex, on slide rule scale 35International Slide Rule Group 94Internet, general information 93JJapan 76Jefferson, Thomas 15KKeuffel & Esser (K&E) 1, 17, 18, 23,32, 34, 41, 51, 72, 75LLawrence Engineering Service 75, 78Less common types 29Log log duplex 27Log Log Duplex Decitrig, Keuffel &Esser 18, 27Log log scales 55Logarithms, are simple 7Logarithms, characteristic 8Logarithms, common 7, 53Logarithms, mantissa 8Logarithms, natural 55Logarithms, on the slide rule 53MMacleay Museum 97Mannheim scales 26Mannheim, Amadee 14Manuals 83Manufacturer, current 97Materials 24Mathema, Faber-Castell 32Metric conversion 74Models 75