st to overcome its buoyancy. When it is necessary to ascend this weight is disconnected by means provided in- Ag De, 9, side the “Worker” and she “bobs up , = tr Filia serenely from _ be- il pk low.” mE O Pitre The two latest at- “EUR BLN AB BEE tempts at globular vessels are the “Doenvig… … shape gives strength to resist the the best type of vessel.
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