SHAFT SUPPORT. 4 FOOT POWER. FIELD'S FOOT POWER. -40 4 4Iw Natural Gas for Glass Making. IMPROVED JOURNAL BEARING. COMBINED PLOW AND HARROW. LONG'S COMBINED PLOW AND HARROW. 41 4 S A Prehistoric Human Tooth. ELLIOTT'S IMPROVED JOURNAL BEARING. 2. PACE'S SHAFT SUPPORT., scientific american, 1884-06-28

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SHAFT SUPPORT. 4 FOOT POWER. FIELD'S FOOT POWER. -40 4 4Iw Natural Gas for Glass Making. IMPROVED JOURNAL BEARING. COMBINED PLOW AND HARROW. LONG'S COMBINED PLOW AND HARROW. 41 4 S A Prehistoric Human Tooth. ELLIOTT'S IMPROVED JOURNAL BEARING. 2. PACE'S SHAFT SUPPORT., scientific american, 1884-06-28

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