SCREW PLATES FOR PIPE. 'LIGHTNING' SCREW PLATES FOB PIPE. A LUBRICATOR AND WIPER FOR THE COMMUTATORS OF DYNAMOS. FAWCETT'S LUBRICATOR FOR COMMUTATOR. BRAKE FOR CHILDREN'S CARRIAGES. BIAS' BRAKE FOR CHILDREN'S CARRIAGES. 2METHOD OF USING THE SPARKSTOTTING., scientific american, 1894-02-10
SCREW PLATES FOR PIPE. 'LIGHTNING' SCREW PLATES FOB PIPE. A LUBRICATOR AND WIPER FOR THE COMMUTATORS OF DYNAMOS. FAWCETT'S LUBRICATOR FOR COMMUTATOR. BRAKE FOR CHILDREN'S CARRIAGES. BIAS' BRAKE FOR CHILDREN'S CARRIAGES. 2METHOD OF USING THE SPARKSTOTTING., scientific american, 1894-02-10
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