@misc{1155471, author = {Allan M Thomas}, title = {Drawings of micrometer U-tube manometers for the ranges up to 100 mm of mercury:}, year = {1967}, month = {1967-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.420}, language = {en}, }