Gravity, of Ptofe^lile*, Mechanic Power*, Centers Grnily, &c. Strength and Timber, Hydroftaiic*, and ..
... Strand. ALSO, New Editions the following PLAYS, All performed this Stafon with uuiverfal Applaufe, at the Theatres Royal in Drury-Lane and Covcnl- Gardcn ; arc juft publilhed by If'. Criffn, Catbariue-jlrcet, the Strand., and may be had all the principal ...