[Bythe KING's AUTHORITY,] Now publifhing in Weekly Numbers, in large Oc- tavo, at Six-pence each No. containing ..
... of Letter-Prefs, and Four Copper- Plates, elegantly engraved, Twice the Quantity of any Weekly Publication whatever, ANEW and Complete DICTIONARY of ARTS and SCIENCES; comprehending all the Branches of ufeful Knowledge. With accurate Defcriptions as well of the various Machines, Instruments, Tools, Figur.es, and Schemes necellary tor illullratiiig tbem, as ol the Cla-s- -ses, Kinds, ...