Technical Teaching in England. RECENT INVENTIONS. IMPROVED INVALID BED. IMPROVED TWEEZERS. DAVIS' INVALID BED. Apples for Cows. 4 I. IN IMPROVEMENT IN THE .MANUFACTURE OF TWEEZERS. Improvement in Teaching Deaf Mutes. Large Sugar Refinery., scientific american, 1881-10-29

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Technical Teaching in England. RECENT INVENTIONS. IMPROVED INVALID BED. IMPROVED TWEEZERS. DAVIS' INVALID BED. Apples for Cows. 4 I. IN IMPROVEMENT IN THE .MANUFACTURE OF TWEEZERS. Improvement in Teaching Deaf Mutes. Large Sugar Refinery., scientific american, 1881-10-29

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