advantages, here was amachine that was fireproof, durable, efficient and welladapted to commercial use. Several of them, however,have been burned, and the problem of holding thinmetal sections together under vibration has not beensolved. Startled by the evident advantages of all metal… … Latest design of the Brown-Boveri blower fur 1200-hp.installation tion. Quantity production is at present lacking and theadvantages of this construction are not sufficient forits extensive use at the present time. Metal Construction.—Metal construction, however,will increase, as American…
Automobiles · Aeronautics
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