Page 156, Wood stains are cheap ...: possibly an error for Water stains are cheap ....
Changes made
Several obvious minor typographical errors have been corrected silently. Some punctuation inconsistencies in illustration captions and references have been standardised.
Texts in a dashed box does not occur as text in the source document; but has been transcribed from the accompanying illustration.
Captions with Figs. 95, 119, 193: dashes have been added to some of the entries for consistency.
Page 9: heading PART I. TOOLS AND ELEMENTARY PROCESSES. has been inserted cf. the Table of Contents.
Page 43: A True and smooth ... has been replaced with 1. True and smooth ....
Page 98: ... Chapter I, Sec-1 ... has been changed to ... Chapter I, Section 1 ....
Page 116: PART THREE has been changed to PART III for consistency.
Page 138: dicotyledon has been changed to dicotyledons.