TY  - RPRT
TI  - Performance tests of a Trion automatic traveling curtain self-cleaning air filter (special size model T 2-2) 
AU  - Robinson, Henry E
AU  - Watson, Thomas W
PY  - 1956
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS RPT 4521
DO  - 10.6028/NBS.RPT.4521
ER  -