Page 11: typo in “vocabulary” corrected.
Page 18: originally incomplete word “leaving” in “leaving space for the
printer ...” has been restored.
Page 24: one occurrence of “Brown Street” has been corrected to “Brown
street” in line with the context.
Page 28: an instance of the superscripted number “3” has been
represented as “^3”. That number in that specific instance is not
intended to represent a footnote.