Insulating materials : vulcabeston controller parts, field spools, bushings, etc. ... (1894)
H. W. Johns Mfg. Co. · H. W. Johns Mfg. Co. · leaf 29
redthickness from ^ inch to one inch. H-in. thick and upward, per lb $1.00 Jg-in. thick and less than %, per lb 1.25 ,yin. thick and less than Jg, per lb 1.50 Less than 3\-in.. sheets 12x12 in., per sheet.. 50 The approximate weights, per sheet, are as follows:aj inch. x% lbs. &-inch. 15 lbs. h… … VULCABESTON FIELD MAGNET SPOOLS. FOR GENERATORS AND MOTORS. Vulcabeston Maguet Spoolsarc among our most valuableroducts. They consist entire-ly of an insulating material,possessing great mechanicaldurability and toughness.Many thousands of thesestationary and Street Car Motors. VULCABESTON…
Electricity · Electrical utilities · Insulators
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