You just sent me on a long detour searching for the book he references: &quot;Ignition!: An informal history of liquid rocket propellants&quot; by John D Clark<p>For any other people interested, it&#x27;s out of print, but a PDF is available here: <a href="http:&#x2F;&#x2F;library.sciencemadness.org&#x2F;library&#x2F;books&#x2F;ignition.pdf" rel="nofollow">http:&#x2F;&#x2F;library.sciencemadness.org&#x2F;library&#x2F;books&#x2F;ignition.pdf</a>