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Scientific American, Vol. 17, No. 3 (1867) (1867)

leaf 3

An illustration from Scientific American, Vol. 17, No. 3 (1867), 1867, leaf 3
t, the sions would stations, and lifeboats. Beside the value of the invention for war purposes, its prin- dos underneath her would be an operation cipal has applicabilities of large commercial value, especially d difficulty foran enemy, who would be for ocean telegraph stations, floating light… … area receives a direct vertical support from is the impossibility of upsetting at all; and this may be well the water. On account of this extreme buoyancy and the pro- subjected during its performance to an enfilade of musketry effected by giving greater length to two of the rays, so as to jection…

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