Note Return to text — APPENDIX.
Reading edition
At , ; but, above , the equation is inapplicable, for negative values of , corresponding to tension along , are inadmissible; hence, above , we must write .[Footnote 18]
Reading edition
At , ; but, above , the equation is inapplicable, for negative values of , corresponding to tension along , are inadmissible; hence, above , we must write .[Footnote 18]