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.
Texts in a dashed box is not present as text in the source document, but has been transcribed from the accompanying illustration. The transcribed texts provide an approximate indication of the positions of the elements relative to each other.
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,