TRANSCRIBER'S NOTE:
The transcriber constructed the cover image, and hereby transfers it into the public domain.
Original spelling and grammar has mostly been retained. For example, "Cyclopoedia", "cyclopÆdia", "EncyclopÆdia", "Encyclopoedia", "guage", "gauge" have all been retained.
Figures were moved from within paragraphs to between paragraphs.
Footnotes were re-indexed and moved to the ends of chapters.
The original page numbers are embedded in the form e.g. "[Pg135]".
A link to the INDEX was inserted into the Table of Contents.
In the Table of Contents, changed "MM. Dulong and Arrago" to "MM Dulong and Arago". Also "Blinkinsop" to "Blinkensop". Also "Wasborough's" to "Wasbrough's".
Figs. 4, 5 and 6 are all in one image. Two tubes in Fig. 4 were incorrectly labeled T'; one of these has been crossed out and changed to T. Both tubes in Fig. 6 were incorrectly labeled G. One of these was crossed out and replaced by G'. Note also that Figs. 4, 5, 6 are repeated in the text on different pages; this feature has been retained.
Page 10: "it s already" to "it is already".
Page 43: "Thu if heat" changed to "Thus if heat".
Page 45: "had a diameter of only one square foot" changed to "had a diameter of only one foot".
Page 47: "immedate" to "immediate".
Page 51: "a a level" to "a level". Also, comma removed from "A gauge, pipe is inserted".
Page 53: "proportionably" to "proportionally".
Page 79: A paragraph beginning "He was not fourteen" contains three double quotation marks; this is presumably an error. Possibly there should be two double quotation marks and two single quotation marks.
Page 80: "S'. Gravesande" is retained, although this probably refers to a person known as "'s Gravesande".
Page 103: "gases n general" to "gases in general".
Page 122: comma removed from "process may, be continued".
Page 123: "two thin pipes F G of tin" to "two thin pipes F, G of tin".
Page 172: "empyrical" to "empirical".
Page 187, Fig. 32.: The text refers to "end I of the connecting rod", but this was labeled L on the Figure. This L has been crossed out and replaced by I.
Page 285: In "surrounding the boiler with iron-conducting substances", changed "iron-" to "non-".
Page 308: "exeitement" to "excitement".
There were several extended quotations, for example beginning on page 312, in which each line began with a quotation mark, with ending quotation marks at the end of each paragraph. In this edition, these passages have been marked by indentation, and all but the first and last quotation marks from each paragraph were removed.
Page 362: "acomplish" to "accomplish".
Page 366: Figs. 97-104 appeared originally between pages 385 and 399, as full-page prints. Numerically, however, they belong between Figs. 96 and 105--and therefore between pages 366 and 369. Therefore, they have been moved to a location between two paragraphs on page 367.
Page 368: "rivetted" to "riveted".
Page 419: "TREVITHECK'S INVENTION" changed to "TREVETHICK'S INVENTION", in the chapter heading. However, the references to Trevethick occur in a previous chapter, around page 324.
Page 468: Period added to end sentence "[...] piston is at the bottom of its stroke".
Page 490: Period added to end sentence "[...] therefore one eighth of its capacity".
Pages 494, 497: large data tables were split into three pieces each.
Page 505: The logarithm originally given as log x = "[=1]·82340688193", where "[=1]" represents a numeral one with a horizontal line over it, is herein changed to log x = "0·82340688193 - 1", as that is the meaning of this convention.
Page 513: "formulÆ are hyberbolic" to "formulÆ are hyperbolic".
The symbol ? (Unicode hex 2235-"BECAUSE") appears frequently in the Appendix. It is not available in all fonts.
Page 520: The table of piston area versus piston diameter was split into two tables.
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