A CLEVIS TO RELIEVE HORSES FROM STRAIN. MOREY'S CLEVIS. AN IMPROVED COTTON PICKER. ROHLING'S COTTON PICKER. .01 . AN IMPROVED SAW FILING MACHINE. Salicylic Acid in Beer. IS 4 P4% A SEED SOWING DEVICE. SATTES' SAW FILING MACHINE. Crystals in Basic Converter Slag. LOVE'S HAND SEED SOWER., scientific american, 1887-06-25

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