Right: this is the Internet Archive, and most materials are downloadable in various formats -- PDF, ePub, DJVU, and with varying degrees of legibility, plain text.
The online reader, if you can read it, is excellent. I'd linked the 2-up version, there's a single-page setting which should work on most mobile devices fairly well.
Here is a direct link: https://ia801705.us.archive.org/12/items/80_Microcomputing_I...