page 006 - Corrected spelling of millenia to millennia page 007 - Corrected intergraph to integraph to be consistent w/ other instance - 1st paragraph (Google shows intergraph to be a company and integraph to be a calculator) page 009 - Added a single ' that was dropped in the 3rd paragragh before ... brilliant mathematical assistant page 013 - Corrected spelling of whench to whence page 027 - Corrected spelling of withing to within, 6th paragraph page 028 - Missing word - replaced "energy the strain" with "energy in the strain" - 6th paragraph page 029 - Corrected spelling of Flourine to Fluorine page 030 - Italicized "Ancient Mariner" on the first line of Ch. IV to be consistent with the dozens of other instances page 032 - Corrected spelling of flourine to fluorine - 2nd paragraph page 032 - Corrected spelling of flurocarbon to fluorocarbon - 2nd paragraph page 037 - Corrected typo of 'that that' to 'than that' - 6th paragraph page 052 - Corrected spelling of paralax to parallax - 5nd paragraph page 059 - Corrected spelling of millenia to millennia - 3rd paragraph page 074 - Corrected typo of 'ro' to 'to' in 1st line of 8th paragraph page 085 - Corrected spelling of airly to airily page 098 - Corrected typo of 'as' to 'was' - 1st line of the 7 paragraph page 116 - Corrected typo of turned to turn - paragraph 10 page 117 - Corrected typo of builder to boulder - paragraph 6 page 118 - Corrected typo of seen to seem - paragraph 7 page 119 - Corrected typo of 'a known' to 'an unknown' - last paragraph page 126 - Corrected typo of Earthmen to Earthman - paragraph 3 page 142 - Corrected typo of might to mighty - paragraph 7 page 143 - Corrected typo of opporutnity to opportunity - paragraph 6 page 145 - Corrected typo of mightest to mightiest - first paragraph page 152 - Corrected typo of parelying to parleying - last paragraph page 155 - Corrected typo of eloguently to eloquently - 3rd paragraph page 161 - Corrected typo of could to would - 7th paragraph page 164 - Corrected typo of communicaton to communication - paragraph 6 page 173 - Corrected typo of Astonomer to Astronomer - paragraph 7 next-to-last page - Replaced the cents character with the word 'cents' since these are the only non-ASCII characters in the text Project Gutenberg couldn't find a renewal of the copyright.