In this plain text transcription, italic text is denoted by _underscores_ and subscripted characters are surrounded by curly brackets preceded by an underscore, e.g. H_{12} The text of the book has largely been preserved in its original form. However, some spelling errors have been corrected and some missing punctuation items inserted (hyphen, space, parenthesis, quotation mark). Inconsistent spellings have not been changed. A list of spelling errors and inconsistencies has been appended at the end of the book. Missing footnote markers on pages 96 and 136 have been inserted at what seemed to be likely locations.…
Or read it translated: 日本語 · 中文 · हिन्दी · Español · العربية · Français · বাংলা · Português · Русский · Bahasa Indonesia · اردو · Deutsch · Kiswahili · 한국어