TY - RPRT TI - Isocandle distribution of preproduction 100-PAR56 lamp for lead-in systems AU - Vaughan, R T AU - Crouch, R W PY - 1954 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS report ; 3621 DO - 10.6028/NBS.RPT.3621 ER -