IMPROVED TREE PROTECTOR. TO MAKE OVALS AND CIRCLES OF ANY SIZE. MEASURING BUILDING MATERIALS. IMPROVED SUGAR-REFINING TANK. Agricultural Work for March., scientific american, 1875-03-27
IMPROVED TREE PROTECTOR. TO MAKE OVALS AND CIRCLES OF ANY SIZE. MEASURING BUILDING MATERIALS. IMPROVED SUGAR-REFINING TANK. Agricultural Work for March., scientific american, 1875-03-27
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