Currently most editions of the paper from 1861 through 1972 are included. The rest of the editions through 1987 will be added by the end of the year.
It’s all accessible, for free, via the web. You have to have a library card and PIN though to see it at home, though anyone can access it at the library.
The interface is not the easiest to use, and it’s kinda slow, but you can view or print pages, articles, and ads; search the text; navigate between pages and articles; download individual pages or whole editions in PDF format.