THE BOYS' LIFE OF MARK TWAIN
most part he kept up good heart and confidence. It is true that he now believed again in the future of the type-setter, and that returns from it would pay him out of bankruptcy. But later in the year this final hope was taken away. Mr. Rogers wrote to him that in the final test the machine had failed to prove itself practical and that the whole project had been finally and permanently abandoned. The shock of disappointment was heavy for the moment, but then it was over—completely over—for that old mechanical demon, that vampire of invention that had sapped his fortune so long, was laid at last. The worst had happened; there was nothing more to dread. Within a week Mark Twain (he was now back in Paris with the family) had settled down to work once more on the Recollections of Joan, and all mention and memory of the type-setter was forever put away. The machine stands to-day in the Sibley College of Engineering, where it is exhibited as the costliest piece of mechanism for its size ever constructed. Mark Twain once received a letter from an author who had written a book to assist inventors and patentees, asking for his indorsement. He replied:
Dear Sir,—I have, as you say, been interested in patents and patentees. If your book tells how to exterminate inventors, send me nine editions. Send them by express.
Those were economical days. There was no income except from the old books, and at the time
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