Flues

Examples

• The _hypocaust_ was a hot-air furnace built in the basement or cellar of the house and from which the heat was conducted by flues to the bath rooms and other apartments. William Henry Doolittle. Inventions in the Century.
• Nathan Read of Salem, Massachusetts, in 1791, invented a tubular boiler in which the flues and gases are conducted through tubes passing through the boiler into the smokestack. William Henry Doolittle. Inventions in the Century.
• Open heat spaces were left between the two flues. William Henry Doolittle. Inventions in the Century.
• This warm fresh air then passes through ordinary flues to the rooms above. Bertha M. Clark. General Science.
• The boiler was 30 inches in diameter and had 72 copper flues 1? inches in diameter, 7 feet long. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.
• Oliver Evans followed with two longitudinal flues. William Henry Doolittle. Inventions in the Century.
• As the excessively hot water gas passes through the boiler flues it furnishes the necessary heat to generate the steam. Edward W. Byrn. The Progress of Invention in the Nineteenth Century.

Checker: Melanie