VAC-M Lightning Arrester
Parafoudre à charbon
Kohlenstoff Überspannungsableiter

The National Electric Specialty Co., Toledo, Ohio.

Lightning arrester tube used mainly in telephone, telegraph, and railroad-signal wires.

The three elements are carbon blocks.

The bulb is cemented into the ceramic base.

• Ludwell Sibley, The “VAC-M” Lightning Arrester, Tube Collector, Vol. 5, No. 1, February 2003.

 

Hauteur • Height • Höhe : 165 mm • 6" 1/2
Diamètre • Diameter • Durchmesser : 76 mm • 3"

Ad in Telegraph and Telephone Age No. 20, October 16, 1913

 

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