TY - GEN AU - Teele, Ray P AU - Hammond, Harry K C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1956-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.RPT.4792 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1956 TI - Development of a laboratory test for evaluation of the effectiveness of smoke signals: ER -