I mentioned this to the old man, who replied impatiently: “O, that aint nothin, the engine is the wonder, that’s the wonder; why, when I was a young man we did not suppose an engine _could_ be run more’n about fifty or sixty turns a minute, nobody never thought o’ such a thing; now we can run ’em any speed we like, no poundin, no shakin, no heatin, it’s just wonderful.” I did not respond or show any interest, and the old man did not waste any more enthusiasm on me. Did not say a word when I left directly after, but I fancied him saying to himself: “Another o’ them stuck ups, that don’t know nothin’.” Transcriber’s Notes The text of this document follows that of the source; inconsistent spelling and hyphenation have been retained, except as mentioned below. Depending on the hard- and software used to read this text, and on their settings, not all elements may display as intended. The scales as provided in the indicator diagrams are, of course, not necessarily correct. Page 93: ... H laid on its side, thus ⌶: the symbol is used to represent the shape of the rotated letter H, not an I or an I-beam. Page 137, bill for American belt: there are some errors in the calculations, these have not been corrected. Page 147, paragraph starting The day after the opening ...: the single and double quote marks do not match. Page 155, ... exposition of the action of the reciprocating parts was given Mr. Edwin Reynolds ...: should possibly read ... exposition of the action of the reciprocating parts was given by Mr. Edwin Reynolds .... Page 202, ... half the distance to the mid-stroke or to _E_, Fig. 32, ...: presumably this refers to the figure on page 201; there is no figure 32 in the book. Page 217, If I went, that I would be the end of the business: the second I should probably be deleted. Page 293: Presumably the references in the text to Figure 1 and Figure 2 are to the top and bottom illustration respectively; the source document does not provide figure numbers. Page 328-330: The use of quote marks in these letters differs from that in other correspondence; this has not been standardised. Changes made Illustrations and tables were moved out of text paragraphs. Some obvious minor typographical and punctuation errors have been corrected silently. Dimensions m×n and m × n have been standardised to m×n, multiplications x×y and x × y to x × y; cross-head and crosshead were standardised to cross-head. Page xii: illustration numbers have been added; Diagrams from English Locomotive ... has been changed to Diagrams from English Locomotives ... as in the illustration caption. Page 40: a closing single quote mark was inserted after ... do not require any governor, Page 79: pièce de resistance changed to pièce de résistance. Page 91, illustration caption: English Locomtlvoes changed to English Locomotives.