A SPRING-CUSHIONED METALLIC RAILROAD TIE. MILLER'S RAILROAD TIE. A ROCKING GRATE BAR AND SHAKER. STROH'S GRATE BAR AND SHAKER. Rubber Substitutes. IMPROVED GLASS CUTTING APPLIANCES. SEITER'S GLASS CUTTER. AN ANIMAL HOLDING DEVICE. RALSTON'S ANIMAL HOLDING DEVICE., scientific american, 1897-09-25
A SPRING-CUSHIONED METALLIC RAILROAD TIE. MILLER'S RAILROAD TIE. A ROCKING GRATE BAR AND SHAKER. STROH'S GRATE BAR AND SHAKER. Rubber Substitutes. IMPROVED GLASS CUTTING APPLIANCES. SEITER'S GLASS CUTTER. AN ANIMAL HOLDING DEVICE. RALSTON'S ANIMAL HOLDING DEVICE., scientific american, 1897-09-25
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