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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Dear Norbert<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">That is exactly how we were taught to build big fires when I was a teenage Boy Scout.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I think it was Prof Philip Lloyd who mentioned a document from the late 1800’s that mentions it for domestic fires.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Thanks<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Crispin<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-US"><o:p> </o:p></span></b></p>
<p class="MsoNormal">Just to add a somewhat random historical data point on the TLUD discussion:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Masonry Heater Association first published an article on top ignition for updraft batch burns in masonry heaters in 1991.<o:p></o:p></p>
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<p class="MsoNormal">Here's my follow up article from 1992:<br>
<a href="https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmha-net.org%2Fdocs%2Fv8n2%2Fdocs%2FTOPDOWN.pdf&data=02%7C01%7C%7Cbcd4d57a937d423628b008d5f3f79be3%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636683167146574498&sdata=umnhHlh%2FuAAZtfiXe9jWSzm1V9XhGOtNQho5JXe7AVU%3D&reserved=0">http://mha-net.org/docs/v8n2/docs/TOPDOWN.pdf</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">It has become a mainstream ignition method for wood stoves and fireplaces since then.
<o:p></o:p></p>
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