Precipitron electrostatic filters in regular railroad service have removed 90% of dust passing through them; principle of operation of Precipitron; outline dimensions of unit designed for mounting in passenger car.
Clean air for passenger cars
Ry Mech Engr
Railway Mechanical Engineer ; 119 , n 2
1945
4 pages
Article (Journal)
English
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Engineering Index Backfile | 1930
Engineering Index Backfile | 1945
|British Library Online Contents | 2015
British Library Online Contents | 1997
Engineering Index Backfile | 1944
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