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<!doctype html> <html lang="en"> <head> <meta charset="utf-8" /> <title>Scientific American Volume 101, Issue 10 | Scientific American</title> <link rel="canonical" href="https://www.scientificamerican.com/issue/sa/1909/09-04/"> <meta name="theme-color" content="#fff"/> <meta name="robots" content="max-image-preview:standard"/> <link rel="image_src" src="https://static.scientificamerican.com/sciam/cache/file/14E4CF38-AC2E-43AC-A40FC191659A9EDC_source.jpg"> <meta property="og:url" content="https://www.scientificamerican.com/issue/sa/1909/09-04/"/> <meta property="og:image" content="https://static.scientificamerican.com/sciam/cache/file/14E4CF38-AC2E-43AC-A40FC191659A9EDC_source.jpg?w=1200"/> <meta name="twitter:image" content="https://static.scientificamerican.com/sciam/cache/file/14E4CF38-AC2E-43AC-A40FC191659A9EDC_source.jpg?w=1200"/> <meta name="description" content=""The First Voyage of the "Zeppelin III"", "Lessons of the Rheims Aviation Contests", "A Sanitary Drainage Canal for Buffalo" and more"/> <meta property="og:description" content=""The First Voyage of the "Zeppelin III"", "Lessons of the Rheims Aviation Contests", "A Sanitary Drainage Canal for Buffalo" and more"/> <meta property="og:type" content="website"/> <meta name="twitter:title" content="Scientific American Volume 101, Issue 10"/> <meta name="twitter:description" content=""The First Voyage of the "Zeppelin III"", "Lessons of the Rheims Aviation Contests", "A Sanitary Drainage Canal for Buffalo" and more"/> <meta property="og:site_name" content="Scientific American"/> <meta property="og:locale" content="en_US"/> <meta name="twitter:site" content="@sciam"/> <meta name="twitter:domain" content="scientificamerican.com"/> <meta name="twitter:card" content="summary_large_image"/> <script type="application/ld+json">{"@context":"https://schema.org","@graph":[{"@type":"PublicationIssue","@id":"https://www.scientificamerican.com/issue/sa/1909/09-04/","datePublished":"1909-09-04","description":"Scientific American Volume 101, Issue 10","hasPart":[{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Recently Patented Inventions","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Patents","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"New Books, Etc.","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Index of Inventions","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"The First Voyage of the \"Zeppelin III\"","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Lessons of the Rheims Aviation Contests","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"A Sanitary Drainage Canal for Buffalo","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Why do Watch Mainsprings Break?","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Electricity","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Engineering","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"A New Speed Indicator for Marine Propellers","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Powerful Hoisting and Conveying Machine","image":null},{"@type":"Article","about":"","author":[{"@type":"Person","name":"Esther Singleton","url":"www.scientificamerican.com/author/esther-singleton/"}],"datePublished":"1909-09-04T00:00:00-05:00","headline":"Hieroglyphs of the Heavens","image":null},{"@type":"Article","about":"","author":[],"datePublished":"1909-09-04T00:00:00-05:00","headline":"The Aviation Meeting at Rheims","image":null},{"@type":"Article","about":"","author":[{"@type":"Person","name":"S. 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https://static.scientificamerican.com/sciam/cache/file/14E4CF38-AC2E-43AC-A40FC191659A9EDC_source.jpg?w=900 900w" sizes="300px" width="300"/></div><div class="issue__detail__info-PytSq"><div class="issue__detail__meta-cIUoE"><h1>Scientific American Magazine</h1></div><div class="issue__heading-gBfnb"><h2><time dateTime="1909-09-04">September 1909</time></h2></div><small><span>Volume <!-- -->101</span>, <span>Issue <!-- -->10</span></small><div class="download__access-pNuvp"><p>You are currently logged out. Please sign in to download the issue PDF.</p><button class="button-Nws5y button__primary-WTBGh">Sign In</button></div><div class="issueArchiveArticleList-p9KXT"><div class="issueArchiveArticleList-p9KXT"><h2 class="listHeading-TIGph">Features</h2><article class="article-4xs14"><h4 class="articleTitle-e093r">The First Voyage of the "Zeppelin III"</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Lessons of the Rheims Aviation Contests</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">A Sanitary Drainage Canal for Buffalo</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Why do Watch Mainsprings Break?</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Electricity</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Engineering</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">A New Speed Indicator for Marine Propellers</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Powerful Hoisting and Conveying Machine</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Hieroglyphs of the Heavens</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Esther Singleton</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">The Aviation Meeting at Rheims</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Measuring a River's Flow</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">S. Mays Ball</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">German Museum of Masterpieces of Science and Industry</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Home-Made Chemical Perfume</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Gustave Michaud</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Handy Man's Workshop</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">How to Make a Simple Dry Battery</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">George F. Worts</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Paper Hanger's Adjustable Templet</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">I. G. Bayley</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">The Handy Man's Spark Plug</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">R. W. Pearse</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Home-Grown Calabash Gourds</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Charles A. Sidman</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">How to Make a Simple Electric Engine</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Robert H. Brockman</p></section></article></div><div class="issueArchiveArticleList-p9KXT"><h2 class="listHeading-TIGph">Departments</h2><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">Recently Patented Inventions</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">Patents</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">New Books, Etc.</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">Index of Inventions</h2></article></div></div></div></div></div></div></main><footer class="footer-VfsmT"><div class="footerContainer-pfbjC"><h2 class="footerMainText-wQ3og">Expand Your World with Science</h2></div><div class="footerFlexContainer-XKe5g footerContainer-pfbjC"><div class="footerLinks-m1THn"><p class="footerText-PzHcy">Learn and share the most exciting discoveries, innovations and ideas shaping our world today.</p><a class="footerLink-uRzI4" 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