In this episode, Dan Holohan tells the story of Thomas Tredgold, defining the British thermal unit, and why it pays to develop a healthy skepticism. Episode Transcript Ev...
Archive for May, 2021
The Origin of the Btu
Predictions for the Heating Industry
In 1942 a group of industry leaders wrote a booklet containing their predictions for the future of heating in America after the war. Were they correct? Find out in this e...
The Magical History Tour
At the turn of the century, the crowded quilt of lower Manhattan was teeming with manufacturers of heating equipment and the spirit of invention. In this episode, Dan Hol...
Why We Run Steam Boilers At 2-PSIG Pressure
In 1899 an association of boiler manufacturers got together in the spirit of what they called cooperative competition. In this episode, Dan Holohan tells about The Carbon...