https://www.americanheritage.com/ en https://www.americanheritage.com/machine-practical-utility <span property="schema:name" class="field field--name-title field--type-string field--label-hidden">“A Machine of Practical Utility”</span> <span rel="schema:author" class="field field--name-uid field--type-entity-reference field--label-hidden"> <a title="View user profile." href="/users/tom-d-crouch" lang="" about="/users/tom-d-crouch">Tom D. Crouch</a></span> <span property="schema:dateCreated" content="2011-01-21T11:27:36+00:00" class="field field--name-created field--type-created field--label-hidden">Fri, 01/21/2011 - 06:27</span> Fri, 21 Jan 2011 11:27:36 +0000 Tom D. Crouch 61947 at https://www.americanheritage.com https://www.americanheritage.com/air-age-was-now <span property="schema:name" class="field field--name-title field--type-string field--label-hidden">“The Air Age Was Now”</span> <span rel="schema:author" class="field field--name-uid field--type-entity-reference field--label-hidden"> <a title="View user profile." href="/users/martin-caidin" lang="" about="/users/martin-caidin">Martin Caidin</a></span> <span property="schema:dateCreated" content="2011-01-20T17:21:25+00:00" class="field field--name-created field--type-created field--label-hidden">Thu, 01/20/2011 - 12:21</span> Thu, 20 Jan 2011 17:21:25 +0000 Martin Caidin 53863 at https://www.americanheritage.com