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Online Books by

Henry W. Spang

Books from the extended shelves:

• Spang, Henry W.: 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. (Electrotyped by J. Fagan & son, 1878) (page images at HathiTrust)
• Spang, Henry W.: A practical treatise on lightning protection. (Claxton, Remsen & Haffelfinger, 1877) (page images at HathiTrust)
• Spang, Henry W.: A practical treatise on lightning protection ... (Van Nostrand, 1883) (page images at HathiTrust)
• Spang, Henry W.: A treatise on perfect railway signaling, describing the development of the electric telegraph and block signaling systems, their damage and derangement during thunderstorms, and explaining the requirements for reliable signaling (New York?, 1902) (page images at HathiTrust)

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