archives.northwestu.edu/handle/nu/81778 2026-04-07T11:41:25Z archives.northwestu.edu/handle/nu/81783 ETHOS Conference, February 2, 2007, photo 5 Norhtwest hosts the ETHOS (Engineers in Technical and Humanitarian Opportunities of Service) "Stove" Conference where engineers demonstrate fuel-efficient stoves they have developed. 2007-02-02T00:00:00Z archives.northwestu.edu/handle/nu/81780 ETHOS Conference, February 2, 2007, photo 2 Norhtwest hosts the ETHOS (Engineers in Technical and Humanitarian Opportunities of Service) "Stove" Conference where engineers demonstrate fuel-efficient stoves they have developed. 2007-02-02T00:00:00Z archives.northwestu.edu/handle/nu/81785 ETHOS Conference, February 2, 2007, photo 7 Norhtwest hosts the ETHOS (Engineers in Technical and Humanitarian Opportunities of Service) "Stove" Conference where engineers demonstrate fuel-efficient stoves they have developed. 2007-02-02T00:00:00Z archives.northwestu.edu/handle/nu/81782 ETHOS Conference, February 2, 2007, photo 4 Norhtwest hosts the ETHOS (Engineers in Technical and Humanitarian Opportunities of Service) "Stove" Conference where engineers demonstrate fuel-efficient stoves they have developed. 2007-02-02T00:00:00Z