Buckeye automatic governor (New Catechism of the Steam Engine, 1904).jpg<br>
<a href="//commons.wikimedia.org/wiki/User:Andy_Dingley" title="User:Andy Dingley">Andy Dingley</a> (scanner)
Scan from <cite class="book" style="font-style:normal"><a href="https://en.wikipedia.org/wiki/Nehemiah_Hawkins" class="extiw" title="en:Nehemiah Hawkins"> Hawkins (b.1833), Nehemiah</a> (1904 edition of 1897 book. Originally published in 1897, later expanded to cover internal combustion engines.)      <i> New Catechism of the Steam Engine</i>, <a href="https://en.wikipedia.org/wiki/en:Category:New_York" class="extiw" title="w:en:Category:New York"><span title="Wikimedia category">Category:New York</span></a>:  Theo Audel  <small></small></cite>