Notices refpeBing Nnu Booh. 277 



of the introducers of the new beneficial inoculatioo in the 

 temple of Fame ; for it will be fonie time before the preju- 

 dices excited by jealoufv and interelt Ihafl be extinguifiied. 



Dr. Pearfon was eleik-d phyfician to St. George^ hofjiital 

 In 1787 ; and how ferviceable' he has made it to his I'chool 

 of medicine is beft evinced by his numerous pupils, and the 

 proficiency they make in their iludies. 



Dr. Pearfon's elementary books on medicine are printed, 

 and in the hands of his pupils, but not yet publifticd. 



XLIX. Notices refpealng New Books. 



An Effay on the Relation between the Specific Gravities and 

 the Strengths and lvalues of Spirituous Liquors^ with Rules 

 for the Adaptation of Mr. Gilpin's Tables to the prcjent 

 ' Standard, and Two New Tables for finding the Percentage 

 and ConcentratioiL, when the Specific Gravity and Tempe- 

 rature are given. By Atkins and Co. 4to, 1803. 



1 HE prefent work is drawn up in fuch a mafterly and 

 fcientific manner, that we fhall, as foon as we can find room, 

 prefent fomc large extra6ts from it. In the mean time we 

 infert the Preface. 



" If the fubjeft of the following pages were regarded 

 merely with reference to thofe immediate praftical confe- 

 quences which refult from its confideration as connedled 

 with a greai branch of the revenue, and (iill n»ore with the 

 interefts of commerce, it mud neceffarily be confidered as 

 one of the higheft importance. Thefe, however, are by no 

 means the only points of view in which it prefents itfelf: it 

 is intimately related to the corre6l appreciation of our weights 

 and meafurcs in general, the necelhty of which appears to be 

 univerfally admitted. 



<' It would certainly not be expedient at this day to change 

 thofe venerable ftandards, by which, as belonging to the firft 

 commercial nation, the traffic of the world is m a great mea- 

 fure guided and regulated ; ^biit it mull have occurred to 

 every man who retiefts on the fubjeft, that, in the prefer^ 

 (late of commerce and fcience, it would at lead be conveni- 

 rnl that we fliould pofll-fs fome better definition of a yard- 

 mealiire than that which William of Malmfbury gives us, 

 when he Hates that it is the exaA length of the arm of King 

 Henry ihc Firftj and fome more corretl dclcription of a 

 T - pound- 



