TY - GEN AU - John H Eiseman AU - Francis A Smith C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1947-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.MP.177 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1947 TI - Tests of instruments for the determination, indication, or recording of the specific gravities of gases/: ER -