These cookies are absolutely essential for our website to function properly.
We use Google Analytics to measure how you use the website so we can improve it based on user needs.
These cookies may be set by third party websites and do things like measure how you view YouTube videos.
Handwritten in pencil on cream, lined paper. Title: 'Output with 18'-0" dia hearth furnace'. Contains details of output with present 16'-6" hearth compared with proposed 18'-0" hearth.
