One Thousand Ways to Make Money by Page Fox

701. SHIP’S BOTTOM CLEANER.--Here is an invention that would be cheap at

any price; one that would clean the bottom of seagoing vessels without the necessity of docking. Even if it cost as much as docking, it would still be a great invention of immense utility, because it would save the time of a long voyage. It is believed that the road to this invention lies in the direction of electricity, whose industrial applications are so rapidly multiplying. There is more fame and fortune in this than in the much-lauded revolving turret.