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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">Concrete aggregates</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Sanford E. Thompson</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">New Type of Bascule Bridge</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Enos Brown</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">The Automobile in War</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">Benares</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">Reservoir Fountain, and Stylographic Pens.鈥擨I</h4><section><div class="dek-5E7-A"><p>Reservoir Pens</p></div><p class="authors-G71Hd">James P. Maginnis</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Practical Methods of Waterproofing and Fireproofing</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Koller</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Gas Producers for Power</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">Julius Wile</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Contemporary Electrical Science</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 Automatic Telephone: Its Merits and its Faults</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd">J. J. Carty</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">Lightning and the Electricity of the Air</h4><section><div class="dek-5E7-A"><p>Franklin'S Kite Experiment</p></div><p class="authors-G71Hd">Alexander G. McAdie</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">History of the Standard Weights and Measures of the United States</h4><section><div class="dek-5E7-A"><p>Capacity Standards</p></div><p class="authors-G71Hd">Louis A. Fischer</p></section></article><article class="article-4xs14"><h4 class="articleTitle-e093r">The Size of Molecules</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">Some Facts about Yellow Fever</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">Wonders of Complicated Horological Mechanism</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 Discovery of Polarization</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 Snow-Leopard or Ounce</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 Production of Industrial Alcohol and its use in Explosive Motors</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">Electrical Notes</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">Science Notes</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 Notes</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">Trade Notes and formul忙</h4><section><div class="dek-5E7-A"><p></p></div><p class="authors-G71Hd"></p></section></article></div></div></div></div></div></div></main><footer 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