Professionally rebound in half calf over marbled boards with debossed rule to boards; 6 raised bands, gilt particulars, debossed decoration, and burgundy morocco label to spines. Volumes 1-3 are from 1781 and volumes 4-6 are from 1788. Vol 1 Fourth edition; Vol. 2 Second edition; Vol. 3 Second edition; Vol. 4-6 edition not stated. No previous owners' names or other markings. Each: 9 1/4 x 11 1/2 inches. Pagination: Vol. 1; 3 end leaves (modern, earlier re-binding, original); engraved portrait frontis by Hall after Reynolds, full title page, preface dated Feb 1, 1776 with postscript dated March 1, 1781, advertisement [5 leaves]; engraved folding map "Eastern part of the Roman Empire" by Tho. Kitchin Senr dated Jan 1, 1781; 1-704; 3 end leaves (as above); no errataVol 2; 3 end leaves (modern, earlier re-binding, original); half title, full title, contents [6 leaves]; engraved folding map "Western Part of the Roman Empire" (small tear at left fold line) by Tho. Kitchin Senr dated Jan…