Page 134, Soummelier: possibly an error for Sommeiller.
Page 174, Footnote 11: presumably Fig. 92, indicating the planes of the sections, is from the same publication.
Page 176, Austrian method: Dresden and Leipsic, and the Oberau Tunnel, are (and were in 1837) in Saxony, Germany (or Prussia).
Page 179, The short transverse beam c, Fig. 90: there is no short transverse beam visible in Fig. 90, nor is it clear which other figure might be intended; there is therefore no hyperlink to the illustration.
Page 279, Stirtling boiler: possibly an error for Stirling boiler.
Pages 337 and 342, Arlberg: possibly an error for Aarlberg.
Page 340, Wartha: possibly an error for Martha; Mertin: possibly an error for Merten.
Changes made
Footnotes, tables and illustrations have been moved out of text paragraphs; some table data have been re-arranged for better legibility. In some of the formulas brackets have been added for clarity.
Several obvious minor typographical and punctuation errors have been corrected silently.