TY  - RPRT
TI  - Letter Circular 364: publications relating to electrical measuring instruments, meters and their accessories (superseding Letter Circular 233)
PY  - 1933
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 364
DO  - 10.6028/NBS.LCIRC.364
ER  -