Transcriber's Note:Theone footnotehas been moved to the end of its chapter.Illustrations have been moved to paragraph breaks near where they are discussed.Punctuation has been made consistent.Section names are inconsistent between the table of contents, chapter headers, and actual section names.Variations in spelling and hyphenation were retained as they appear in the original publication, except that obvious typographical errors have been corrected.Page 4, Chapter 1, Fig. 2: The vertical labels on this figure are "Hardwood 3×4 in. 2 ft to21/2ft long" and "Floor Plate".Page 71:The reference to "page 184"is to a page that does not exist (on page 184 may)Page 104: Thefigure labeled "O. D. T."does not correspond to the displayed monogram, which appears to be "O. R. T."
Theone footnotehas been moved to the end of its chapter.
Illustrations have been moved to paragraph breaks near where they are discussed.
Punctuation has been made consistent.
Section names are inconsistent between the table of contents, chapter headers, and actual section names.
Variations in spelling and hyphenation were retained as they appear in the original publication, except that obvious typographical errors have been corrected.
Page 4, Chapter 1, Fig. 2: The vertical labels on this figure are "Hardwood 3×4 in. 2 ft to21/2ft long" and "Floor Plate".
Page 71:The reference to "page 184"is to a page that does not exist (on page 184 may)
Page 104: Thefigure labeled "O. D. T."does not correspond to the displayed monogram, which appears to be "O. R. T."