Page [107.] Changed “bason” to “basin”.

Page [121.] A new paragraph break was inserted between “become dangerous” and “A finishing press is”.

Page [164.] Changed “subsitute” to “substitute”.

Page [179,] Glossary, Entry “Stops”. Changed “mitring” to “mitreing”.

Page [182,] Index, Entry “Covering”. In “preparing f r, 87”, changed “f r” to “for”.