Illinois Society of Architects · Chicago · leaf 464
d of distributing both low voltage (1104120) circuits and Iiij-r.li voltage power circuitalpresent practice in industrial plants is to dis-tribute only the higher voll ige currenl withJefferson Power Circuit Transformers installedwherever required, for lij-hts, fans, small elea-itrie tools and…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.