“After several interviews, he succeeded in interesting the banker in a submarine boat on which he was working, and it was agreed that as soon as the invention was perfected, Mon. Andermatt would use his influence with the Minister of Marine to obtain a series of trials under the direction of the government. For two years, Louis Lacombe was a frequent visitor at Andermatt’s house, and he submitted to the banker the various improvements he made upon his original plans, until one day, being satisfied with the perfection of his work, he asked Mon. Andermatt to communicate with the Minister of Marine. That day, Louis Lacombe dined at Mon. Andermatt’s house. He left there about half-past eleven at night. He has not been seen since.