{"title":"求解二次方程和三次方程的机械装置","authors":"G. Stokes","doi":"10.1017/S0950184300003098","DOIUrl":null,"url":null,"abstract":"The apparatus consists of a base piece with central line X'OX •carrying on OX a uniform scale suitably graduated. An upright piece OY is fixed rigidly at right angles to the base piece and carries a scale marked \" y \" at R, where OR = \\/y. An arm PQ, made of transparent material, can rotate about the pivot P, which is attached to a slide moveable along X'O, and carries a uniform scale whose unit is half that of the OX scale.","PeriodicalId":417997,"journal":{"name":"Edinburgh Mathematical Notes","volume":"30 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Mechanical devices for solving quadratic and cubic equations\",\"authors\":\"G. Stokes\",\"doi\":\"10.1017/S0950184300003098\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The apparatus consists of a base piece with central line X'OX •carrying on OX a uniform scale suitably graduated. An upright piece OY is fixed rigidly at right angles to the base piece and carries a scale marked \\\" y \\\" at R, where OR = \\\\/y. An arm PQ, made of transparent material, can rotate about the pivot P, which is attached to a slide moveable along X'O, and carries a uniform scale whose unit is half that of the OX scale.\",\"PeriodicalId\":417997,\"journal\":{\"name\":\"Edinburgh Mathematical Notes\",\"volume\":\"30 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Edinburgh Mathematical Notes\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1017/S0950184300003098\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Edinburgh Mathematical Notes","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1017/S0950184300003098","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Mechanical devices for solving quadratic and cubic equations
The apparatus consists of a base piece with central line X'OX •carrying on OX a uniform scale suitably graduated. An upright piece OY is fixed rigidly at right angles to the base piece and carries a scale marked " y " at R, where OR = \/y. An arm PQ, made of transparent material, can rotate about the pivot P, which is attached to a slide moveable along X'O, and carries a uniform scale whose unit is half that of the OX scale.
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