Proposals for printing by subscription, Lectures on natural philosophy, considered in it's [sic] present state of improvement. By George Adams, ... Conditions. I. This work shall be neatly printed in four octavo volumes, illustrated with a variety of cuts. ... Subscriptions received by the author, G. Adams, No. 60, Fleet-Street; J. Johnson, ... G. G. J. and J. Robinson, ... and J. Philips, ...