of performing divers Froeeffs. 149 



which it is {"abject; not merely to gratify a harmlefs and 

 laudable curiofity, but with the avowed intention of reducing 

 to a rational and folid fyftem of principles, the various arts, 

 manufactures, and economical procefles which, before that 

 period, depended ahnoft wholly upon chance or caprice. 



To the refuit of philofophical experiments 're owe the 

 prefent advanced ftate of fcience, and the many improve- 

 ments which have been introduced into the manufactures of 

 Britain, and have brought them to the high fl ite of peri 

 thev have attained. Has Mr. Bentham, in the patent imd r 

 confideration, added to the number of pfryfical f 

 known? Has he difcovered any new principles to entitle 

 him, as a difcoverer, to enjoy for fourteen years an exclufive 

 monopoly of the arts to which they apply ? No fuch . : 

 Mr. Bentham has difcovered what ail the >rlcl kneiv 

 before — what may be found, in various forms, fcattcred 

 through the pa;res of thpufands of volum< ; 1 mi ! , 

 would verv much promote arts and manufa&ures, if means 

 could be deviled to enable us to apply, in the large way, all 

 the facts that have been determined by philofophical cxperi : 

 ment. Yes, reader, the learned o antries have been 



indefatigable in their various purfuits for thefe Ian two cen- 

 turies, only to furnifli materials for the exclufive advai 

 and emolument of Mr. Bentham. 'Cat lie iljaii I 

 ;ak for hiinfeif. 



Everyone knows, thai a patentee niufl lock- in the proper 

 a fpecification, defcribing his invention in lo full a 

 manner that, at the expiration of his term, the p l>lic may 

 be able to enjoy the benefit of the difcovery. The | 

 pi ' ntee, in compliance with this risquifite, fays, " 1 the faid 

 Samuel Bentham do hereby declare, that my faid invention 

 Is defcribed in manner following; that is to fay, my inven- 

 tion confifts in the ulna of applying to ibc. ptfrpofes of art 

 and manufacture, in the large <way t the practice that has 

 been fo lung in ufe, of extracting and excluding the air in 

 / • ;,(-// expert meat :: 1 ic then proceeds to tell 

 L 1 11s, 



