On front page after title, Ilbert writes in ink, "With a cursory glance at the rise and progress of Horology."
In fact, this piece has more to do with the development of the chronometer from the 17th century and of the invention of other devices (quadrants, sextants ect.) used to determine latitude and longitude.
Includes references to clocks and watches in literature, eg. Chaucer, Shakespeare.
Interesting and perhaps apocryphal snippet about a John Harrison longcase clock found in Lincoln in 1798.