NOVEMBER 24 1894. AN IMPROVED SWING RAIL RAILROAD FROG. MORRIE'S RAILROAD FROG. AN IMPROVED MECHANICAL CARRIER. Voting by Machinery. AN IMPROVED JOURNAL HEAD FOR ROLLS. NeCORKINDALE'S JOURNAL HEAD FOR ROLLS. Extensive Trolley System. American Search Lights In the East. HOGUE'S CARRIER., scientific american, 1894-11-24

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NOVEMBER 24 1894. AN IMPROVED SWING RAIL RAILROAD FROG. MORRIE'S RAILROAD FROG. AN IMPROVED MECHANICAL CARRIER. Voting by Machinery. AN IMPROVED JOURNAL HEAD FOR ROLLS. NeCORKINDALE'S JOURNAL HEAD FOR ROLLS. Extensive Trolley System. American Search Lights In the East. HOGUE'S CARRIER., scientific american, 1894-11-24

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