Garton-Daniels and Keystone lightning protective apparatus. (1921)
Electric Service Supplies Co. · Electric Service Supplies Co. · leaf 51
.00 50510 Up to 6,600 400 n 33.00 50511 Up to 6,600 500 tt 36.00 50519 6,600 to 13,200 50 n 32.00 50520 6,600 to 13,200 100 a 35.00 50521 6,600 to 13,200 200 a 38.00 50522 6,600 to 13,200 300 a 39.00 50523 6,600 to 13,200 400 a 42.00 50529 13,200 to 23,000 100 a 37.00 50530 13,200 to 23,000 200 a…
Lightning arresters · Ligtning protection for buildings · Lightning protection for structures · Lightning protection surge arresters and suppressors · Medium-voltage lightning arresters
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