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NATIONAL CARBON

COMPANY

CLEVELAND, OHIO

MANUFACTURERS OF

Columbia Carbon Products

COLUMBIA ARC CARBONS

For open, enclosed and miniature lamps, projectors,
headlights, searchlights and photo engraving.

SILVER TIP FLAMING CARBONS
For flaming arc lamps of all makes.
ARC WELDING CARBONS

CARBON AND GRAPHITE BRUSHES
For all classes of generator and motor service.

SPECIAL SHAPES IN CARBON

For circuit breaker contacts, lightning arresters, carbon packing rings for steam turbines, resister carbons, carbon crucibles.

CARBON FOR TELEPHONES

Transmitter diaphragms, discs and back plates, granular and globular carbon.

CARBON ELECTRODES

For arc and resistance electric furnaces.

DRY AND WET BATTERIES

For all classes of open and closed circuit service. COLUMBIA MULTIPLE BATTERIES

For automobile and motor boat ignition and lighting.

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