TY - RPRT TI - Circular of the Bureau of Standards no. 271: United States government master specification for rubber gloves for electrical workers (for use in connection with apparatus or circuits not exceeding 3,000 volts to ground PY - 1925 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 271 DO - 10.6028/NBS.CIRC.271 ER -