Chambers’s Miscellany of Instructive & Entertaining Tracts New and Revised Edition (Volumes 2,3,5,6,7,8,10), by William and Robert Chambers. London: W. and R. Chambers. 1872.
There are 20 volumes according to the British Library. Not exactly the same as Chambers’s Miscellany of Useful and Entertaining Tracts; the tracts are revised (mostly shorter) and in a different order (with some new ones).