Trivia Quiz - March 19, 2001
Question:
In what year did Ferdinand Carré receive the U.S. patent for his development of a closed ammonia-absorption system? a 1850
b 1860
c 1870
d 1880
Answer:
b 1860
Publication date: 03/19/2001
Looking for quick answers on air conditioning, heating and refrigeration topics? Try Ask ACHR NEWS, our new smart AI search tool. Ask ACHR NEWS
Looking for a reprint of this article?
From high-res PDFs to custom plaques, order your copy today!
