Books by William Edward Langdon:
Books in the extended shelves:
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Langdon, William Edward, 1832-1905: The application of electricity to railway working (Macmillan and Co., 1877) (page images at HathiTrust)- Langdon, William Edward, 1832-1905: The application of electricity to railway working. (Spon, 1897) (page images at HathiTrust)
- Langdon, William Edward, 1832-1905, ed.: The telephone : a lecture entitled Researches in electric telephony, by Alexander Graham Bell, also ed. by Frank Bolton (Gutenberg ebook)
- Langdon, William Edward, 1832-1905: The telephone : a lecture entitled, Researches in electric telephony : delivered before the Society of Telegraph Engineers, October 31st, 1877 (E. and F.N. Spon, 1878), also by Alexander Graham Bell, Francis John Bolton, and Institution of Electrical Engineers (page images at HathiTrust)
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