𝔖 Bobbio Scriptorium
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The Electric Telegraph—Its Improvement and Capabilities


Book ID
109392018
Publisher
Nature Publishing Group
Year
1872
Tongue
English
Weight
274 KB
Volume
6
Category
Article
ISSN
0028-0836

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The cosmopolitan underground telegraph,
📂 Article 📅 1885 🏛 Elsevier Science 🌐 English ⚖ 38 KB

A. b." of the Seetio~'s Classification.) This conduit is constructed of highly glazed terra cotta, in sections two feet in length, with a tap joint on tile top and ends, and is bedded on a cast iron or terra eotta base plate. Its interior is fitted with iron frames, placed at suitable distances ap