Maarten De Cock
‘Carbon Dioxide as a Measure of the Efficiency of Ventilation’ Written by Ellen H. Richards from @MIT in 1893. “…the advocate of pure air finds slight hearing.” “…filtered air like filtered water has become a necessity” (1/3)
Maarten De Cock
‘Carbon Dioxide as a Measure of the Efficiency of Ventilation’ Written by Ellen H. Richards from @MIT in 1893. “…the advocate of pure air finds slight hearing.” “…filtered air like filtered water has become a necessity” (1/3)