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srcSet="https://static.scientificamerican.com/sciam/cache/file/C8BCF0EB-199F-44A5-A566B71CAD3061BC_source.jpg?w=400 400w, https://static.scientificamerican.com/sciam/cache/file/C8BCF0EB-199F-44A5-A566B71CAD3061BC_source.jpg?w=600 600w, https://static.scientificamerican.com/sciam/cache/file/C8BCF0EB-199F-44A5-A566B71CAD3061BC_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="1897-08-28">August 1897</time></h2></div><small><span>Volume 77</span>, <span>Issue 9</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 Relation of the Beet Sugar Farm to the Factory</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">Repairs to Dry Dock No. 3 at the Brooklyn Navy Yard</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">The American Association for the Advancement of Science</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Marcus Benjamin</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">As Improved Horseshoe Pad</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">An Improved Balanced Slide Valve</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 Simple Nut Lock</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 Non-Refillable Bottle</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">Hayward Augustus Harvey</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 Suburban Cottage at Boston, Mass</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">Disposal of the Wastes of New York City</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">The Orchestral Guitar</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">Spiritualistic Ties</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">W. B. Caulk</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">To Inventors - August 28, 1897</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article></div><div class="issueArchiveArticleList-p9KXT"><h2 class="listHeading-TIGph">Departments</h2><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">The Heavens for September 1897</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">Recently Patented Inventions</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">New Books, Etc - August 28, 1897</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">Notes and Queries - August 28, 1897</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">Index of Inventions - August 28, 1897</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">Business and Personal - August 28, 1897</h2></article><article class="article-4xs14"><h2 class="departmentsArticleTitle-4XlrA">Patents - August 28, 1897</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" href="/getsciam/">Subscribe</a><a class="footerLink-uRzI4" href="/newsletters/">Sign up for our newsletters</a><a class="footerLink-uRzI4" href="/">See the latest stories</a><a class="footerLink-uRzI4" href="/latest-issue/">Read the latest issue</a><a class="footerLink-uRzI4" href="/getsciam/gift/">Give a Gift Subscription</a><p class="footerSocialMedia-7KIIV">Follow Us:<a 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