The thing itself

I'm reading the 1995 Penguin Classics 3-volume edition (ISBN: 0713991240) edited by David Womersley, which includes the Vindication (1799).

Some numbers:
3 volumes
3,475 pages
7,920 footnotes
1,500,000 words, approximately (handwritten, of course)
111 page introduction by David Womersley [hereafter referred to as D.W.]
begun October 15, 1764
completed June 27, 1787