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(.wittiro6f\JcrW wttiu J^j^fj^Ct^ j IX. "V/' Lba ahi-^tiuT 



ANALYbM''icij BoOKS.^j • wmamU 



On the Safety Tjdmp,Jdr''prtvenmig ExplosiU\s-in'Mi7ie$i*^tIouses 

 lighted bi/iGaSj'Spinii:.: Warehouses, or Ma's^zinesin^^fysj^^c. 

 with some Researches on Flame. jBy Sir Huimphry Davy, Bart. 

 President of the Rqyal S jj^i^tyV fee. f '' - • • •^'■'■^'^' 



Iris an extraordinary fact, 'and one that- does- little- tA^Tt 

 either to the cultivators of ^deaoe in generg^l, .or those pgrspflp 

 who are interested in mining operatjions in paiflicular, that -whilst 

 pseudo-scientific catechismi kha diftlogues,^''^nd'S«eh-trash',-fili^ 

 purchasers in every class of spcjew, an^/.e^niiich their e^j^bical 

 compilers, spite of the ma^ of ^r»or and absurdity with wnich 

 nine times in ten they abouiid^f ip exti-|/6fii^nary-,-w#%H^^Hhat 

 whilst such abject things as thoeei^jare req;J,4^ith avidit^^^g s^igle 

 edition of a work like thi^ has n(i)t been. wtjolly disposed of in 

 seven years ! To what this jig' bitiijg, it 'is'-ttbtoup-busiffe^s to 

 inquire ; but we know thaf; ibwM of sfi^i^jng merit^(^^.pass 

 unnoticed by the multitude] who ai the samel time eagerly catch 

 at every flimsy production !v\4iifch.-|)rorais^''(Sv-ha-tyby3'th%'^ye, 

 it never performs) to reducg, ^lx€,;mosf^^bi^ruse phil^o,?,ophical 

 reasoning to the level and dompreHension-oflthe* meanest capa- 

 cities.* Thus we have ast/oTioiliy, obtiefej, -and --meGlvanics 

 divested of the mathemati(is, .cbeiiiistry"j]i\istrated by dva,wings 

 without the necessity of ap|)aratus lor experln^ehti "aha crystallo- 

 graphy and even the mathfefnatielil scierice-* tlieniselves! fetught 

 by dissected models and diagrams a and \Ylia|^is the consequence? 

 Ignorance usurps the seats of wisdom — theoinass'iiniihg diffidence 

 of real knowledge is silenced '^nd ^bash^d fe^foie tlie. datnorous 

 dissertations of pretending q:y^cks — and instiead of the sublime 

 truths of genuine philosophy, the minds^Qiciiir' youth' are" filled 



; iVt;.Mt H ri;/ »«t^-«:'.j 



* We must exclude, however, from this class, Mrs, Marcet's admirable Converia- 

 tion» ; but nbi ullam invenies paretn ? 



