Advertisement. The well at Ditton having been found to be of the same quality and virtue with those of Epsom, &c. It might have been hoped that gentlemen wou'd have encourag'd it, as well for their own sakes as the undertakers it being so good, so near, and to be had in Cambridge. But some persons either being not able to judge of it, or out of prejudice, have reported it to be but common water, and that some thing is put into it, to give it the purging quality; ...