资源描述：
《scientific secrets》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、DEMONSTRATIVETRANSLATIONOFSCIENTIFICSECRETS;ORACOLLECTIONOFABOVE500USEFULRECEIPTSONAVARIETYOFSUBJECTSbyDANIELYOUNG1861INTRODUCTIONTheobjectofthepresentworkisclearlyannouncedinitstitle.Itistocollectwithinasmallcompasstheinstructionsofexperimentalknowledgeuponagreatvarietyofsubjectswhichrelatetot
2、hepresentinterestsofman.Itcontainsabovefivehundredgenuineandpracticalreceipts,whichhavebeencompiledbythepublisherwithextremedifficultyandexpense.Areferencetothelistofsubjectswhichtheworkcontains,willshowthatthepublisher'sresearcheshavebeenextensive,whileacomparisonoftheworkwithothersofthesamege
3、neralcharacterevincespatientlabour,andcannotfailtogiveitpre-eminence.Whilethetrackpursuedisnotnew,itismorethorough,andmoreeasilyfollowedthanthatmarkedoutbyanypreviouscompilerknowntomyself.Theworkcontainsnotmerelytheoutlinesonthesubjectstowhichitrefers,but,whatappearstomyownmindoneofitsexcellenc
4、es,thefullandclearexplanationsofthesesubjects.Toallclassesofpeople,withoutexception,theworkisofgreatvalue.Itisfit,oneveryaccount,thatthepublishershouldbeencouragedinthisproduction.Theworkisworthytheacceptanceofall,andonewhicheverymanmayprize.-----------------------------------------------------
5、---------ERRATAPage117,andseventhlinefromtop,andpage60,thirdlinefrombottom,says-tinofsilverfoil,theyshouldbesilverleaf.DemonstrativeTranslationofSCIENTIFICSECRETS----------------1.ORIENTALPAINTINGAnybunchofrosesorflowers,oranythingofthekindthatyouadmire,takethepatternofbyplacingthemagainstaligh
6、tofwindowglass,thenlayapieceofwhitepaperoverthem,andthroughthelatteryouwillseetheroses,&c.Nowwithaleadpenciltakethepatternoftheroses,&c.,onthepaper;whenyouhavethemallmarked,cutthenoutwithascissors,sothatyouhaveacompletepatternofthem.Nowtakeapieceofglass,whateversizeyourpatternrequires,stickthep
7、atternonitwithwafers,thenpainttheglassallover,exceptwherethepatterncovers,withblackpaint,composedofrefinedlampblack,blackenamel,copelvarnishandturpentine,mixed.Nowletthisdry,thentakeoffyourpatternsandpaintyourroses,flowers,&c.,wit
