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https://static.scientificamerican.com/sciam/cache/file/8DFCC63D-C44A-4146-93339ABB238BC282_source.gif?w=600 600w, https://static.scientificamerican.com/sciam/cache/file/8DFCC63D-C44A-4146-93339ABB238BC282_source.gif?w=900 900w" sizes="300px" width="300"/></div><div class="issue__detail__info-PytSq"><div class="issue__detail__meta-cIUoE"><h1>SA Supplements</h1></div><div class="issue__heading-gBfnb"><h2><time dateTime="1887-10-29">October 1887</time></h2></div><small><span>Volume 24</span>, <span>Issue 617supp</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 Iron and Steel Institute</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 Transmission of Natural Gas Long Distances</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Geo.H. Christian</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Hydraulic Drilling Machinery</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">Ribbon Industry of St. Etienne</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">Krupp's Great Gun for the Italian Navy</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">Alfred Krupp</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">On Red and Purple Chloride, Bromide, and Iodide of Silver; On Heliochromy and on the Latent Photographic Image</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">M. Cary Lea</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">The Generation of Steam</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">Krupp's Early Home</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 Cosgrove Concentrated Roller Mill</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 Use of Exhaust Steam for Manufacturing and Heating Purposes</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Chas. H. Manning</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Simultaneous Dead Points</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">C. W. MacCord</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">The President's Train</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">O'keenan's Automatic Battery</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">Electro-Metallurgy of Aluminum</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">Simple Constipation</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Andrew Clark</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">The Statue of Voltaire at Saint Claude</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">Appearance and Reality in Pictures</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Eugen Dreher</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Plant Analysis as an Applied Science</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Helen C. De S. Abbott</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Three Days at the Summit of Mont Blanc</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">Building Plans and Specifications</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">New Process for Aluminum</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">Patents - October 29, 1887</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 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