Warmth and Ventilation--Count Rumford and Dr. Arnott--Introduction
of Chimneys--The Hall Louvre or Lantern--Chimneys of Wood--Smoke
Farthings and Hearth-money--Crosby Hall--The Hall Fire and God's
Sunday--Rushes used--Coal introduced--Awnd-irons--Hever
Castle--Christmas in the Great Hall--Silver Fire
Implements--Invention of Grates--Prof. Faraday on Ventilation by
the Chimney--The Open Coal Fire--Roman Mode of heating
Houses--Flue-Tiles and Hypocausts--History of the Curfew, and
Curfew ringing 135-147