A practical treatise on lightning-conductors. Explaining the defects of the lightning-conductors now erected, and showing how metal roofs, or sheet-metal bands beneath wooden or slate roofs, and the ordinary rain-pipes, will prevent buildings from being destroyed or damaged by lightning discharges., by Henry W. Spang

Title:	A practical treatise on lightning-conductors. Explaining the defects of the lightning-conductors now erected, and showing how metal roofs, or sheet-metal bands beneath wooden or slate roofs, and the ordinary rain-pipes, will prevent buildings from being destroyed or damaged by lightning discharges.
Author:	Spang, Henry W.
Note:	Electrotyped by J. Fagan & son, 1878

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Subject:	Lightning conductors
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