@misc{1168106, author = {Henry E Robinson and Thomas W Watson}, title = {Performance tests of a Trion automatic traveling curtain self-cleaning air filter (special size model T 2-2):}, year = {1956}, month = {1956-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.4521}, language = {en}, }