Illinois Society of Architects · Chicago · leaf 255
stpatented construction in ligntnmg conductors. Latest MultipleRe inforcedNon-Melt Points Ligntning Inaicator and lestGauge, ^vnich registers lignt--ning strokes as w^ell as tests system. Improvea groundings, fastenings andmethod or splicing all into a system tnathas practically no resistance and…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
