Summiinsg ednuiexitm s a gisArtcehri,me idle , granmdaet emateif cios igcroe ciolc usit raordinario genidoip ensateod riie n venthoagr oed utfoi,dn a l­ l'antidcihu intafà a,m ian eguagels ieantzcaao nfini, riverbeirnua ntaac soip ioasnae ddoteisccdaea, l la leggepnedrea n trnaerlesl tao rdieapl e nsisecrioe n­ tifico. Vedfei nalmleanl tuecn ee,fl e rvdeiri en iziea tive dis tuadtit oranlol 'odpeeglrr aa nsdier aculsaan o, traduzioned iiu tnca llaisasdnieacl lole at teratura scientAi fpiicùda it. r ent'daanlnsliua ap rimpau b­ blicaz(1i o9n5el6 ')A,r chdiiD miejkdset errehsutias infautntodi e tie sftoin damenptearll aci o mprensio­ ned ell'odpeemlra at ematgirceocL o'.a utvoira en a­ lizdzeat tagliaeti anmm oednota ep profontduittteo leo perdeiA rchimeudtei,l izuznap nadrot icsoil­are stemdain otazicohneni o nt ravliels ian deeerl a gio­ namenatroc himeeda elto e mpsot esesvoi atlal etto­ rem oderinl ou ngeht io rtuporsoic edidmiemnot­i strattiipvdiiec lil 'argomeannttaizciao.n e A conclusdieovlno el umuen,s aggdiiWo i lbRu.r Knordro cumednatplau ntdoiv issttao rioger afico biblioglroas ftiadcteoog sltiu edd ie ldlias cussione contemporsauAn recah imede. Laf ormazsicoineen tdiiEf diucaaJr adn D ijksterhuis (1892-1l9a6u5r)e,ai tnmo astie maatlilc'au nidviGe rrosniitnàg en ne1l9 1c8o,n u nat edsiia rgomegnetoom etfruific nod ,a ll'inizio colleaglalt'ai npteelrre er siscee rdcish teo rdieals lcai enQzuae.s to fua nchle' ambnietqlou aslveo lislse u om agistcehrioa,m naetlo 195a3l l'unidviUe trrseictehàd t a,1l 9 5a5q ueldliLa e ida. Purr imanednidsot adnatlcelo en cezpioosniit ivliass tuiac he, concezsitoonrei ogirnaifziicaali,ms epnitarela lt'ao dpiPe irear re Duhems,e mbtrraa sculrara irlee vdaion gznafi a ttgoirued icato «estearlnpo r))o cesscsioe nteio friiceon,vt earrussnoia d escrizione fenomenodleopigr iocbal setmoir Niecl1i 9.2 a4p paVraeel n WorpE:n b ijdratgoedt e g eschieddeemrne icsh anviacAnar isto­ telteosNt e wtotnr;ias uolia vopriiiù m portsaonntdoia r icorda-. reo,l tarlel 'Archli'moepdseeur,gaE l lie medniEt uic lide (1929-l3'0a)no,cg ogrfi o ndamesnttuadlsieuSo i moSnt evin (194e3s )p eciallm'eanmtrpeii cae sruclasl tao rdieals lcei enze chdea ll'anatN iecwhtio(tn1à 9 5a0l)lc aud ii ffusèil oengeal taa suaf amian ternazdiiso tnuadliebo esnno o,t aan chienI talia (Il meccaniecl i'simmom adgeiln em oMnidloa,1n 9o7 1). Rifer8i menti Flioseo fia teeo rdiseeclnilzee EduaDridj ksterhuis J. Archimede Counsn a bgigbiloi ografico dWii lKbnuorr r R. l/i\] PONTAEL LEG RAZIE Tarudzione GiovBaanrnoal,n iM casesliBmuoc ci,Ma anrtPtiorant ia Le'dirtionrger aziilap revossifaPvraa omGleaonl tlpeuel zar'zs is aisdesuniazs at el aco rctolelasbeo razione Cpoertina AndrReaau, Gc rhaphiti Ediezo iroiangl:ie n Copyr13i98gbhy tt h e EsDtrEa..t DJeik. js otfe cr/hMoue iuslo effn,h Nederbl.aAmvns.dt, e mr da © Peirsl a gbgiibol iicodogiW rialRfb.uK rn o:r r Copyr18i97bgy hP tir ncUentioinvt ePyrrs sesN.e bwi bglrpiahoeiscs papy., 491-14[ 4ofA mtehreei dtciiaponpn 3.:3- 5633opf r eenestdi io,trn e]prwiintthe d © persmsiioofPn rc ientUonni vePrrssesi.t y Isla gbgiibgolr iiacdofoWi . RK.n oèrs rt artiov eeda ugtgioo dranlsalttoeo s so auotrpeel rpa r eensetdei zione. Ediziitoan:le i ana Copyr18i99gb hyGt E Fs r-Fli renze © Sommario 7 Prnetsaezione 11P raezfione 13C apiptroilmoo Lav idtiAa r chimede 28C apisteoocnldoo Leo pedrAie r chdi:em e manoistctorip eaers et ampa 38C apitteorlzoo Gleil emdee'noletplrida iA rchimede 131 Capiqtuoalrot o Sulslfaeei r clai l.iL nidbIrr oo 105 Capiqtuoilnot o Sulslfaeei r clai loi.Ln idbIrrIo 197 Capisteosltoo Miusrdaec le rchio 149 Capisteotltoi mo Sucio noes iefdrio idi 214Ca piottotlaov o Sulslpei rali 233C apintoonloo Su'elqluidleipibi r,aoi nveoiv r:o ic endtigr ria dveipiti à.aL niibIr o 252C apidteocliom o Imle toddetoie ormeemcic anici 269C apitolo undicesimo Quadratpuraraab odleal la 278C apidtoodlioc esimo Su'elqluidleiib r.Lpi iioba IrnIoi 219 Capittroeldoi cesimo Arenario 301C apiqtuooalrtiodtc meos i Galleggianti 312 Capiqtuoilenosd iimco Micsellanea 335N otbai bliografica 336A rchidmoepDdoike tjs ersh:u i ungau iadgsalt iur deic enti WilbRu.Kr n orr 354B iblfiioag ra 364Id nidceeni o mi Colnpa r ipmuabi bczlaioinInet adliqi usaet voo lduemolell ae'snEedd uard JaDnji sktueirslh,' AssosredaseBtieo Cn ui lteuA rmbaeilnite da elilP luabi bcla ItsruzdieolRnleeag iSoinceih laiit naesnseaog nuanurt lee riipmoorret maon­te mentpoe rnceaollr tsaoqm ueanltiegt iaàtat rrpiievndsoao l« Cleel zeoibnAri­ar cheidmeper»oo msdsaeq ueAssstesoso rato. Inli necaoi np roagmrmpir setvqiiu,e sspitr fegei ogndoia propfnodire iclo mlpesmsoon sdcoti ficeiona rchicmoesdteoa,np treetmsenee ennclto er so desie cfnoiola ido ggmiac, o anl tipe ernrdiilo udecido i m bErq eu.e ssttuod io diu nsot raenffeitetraoug,ail tniodi ezslie cèol lato e,so tiniamndzevala lore, delcloan teid neultiltat'luàaui tneàir vsdaemlieeo tddiem la teimcsaoit racusa­ noc,eh i ens so appvuioned tnfeiein t«oat ugtletfifite tuinm oedrnop»o,r tan­ do aclorlsiaìsfl iensoec hsee mpiprlrse e enntopenu iòg noirplaa rstseopa ,e r­ chdéa e ssion evitadpibeinldmeeep nnrtteepes o usppteoirf l ut uro. Coqnu eisntiaz ciualattliduevur an qaubeb,ia nlCa otvnae gintnoe rnazio­ nadlsie t u«dAric heid-meM itoT,ar dziinoeeS cziaeo»ng,ia znziacnto ol labo­ rzainoec oln' UenrisdvietgSàlt iud diCi a taln'iAsas,os reRasetgoi doenBiae l­e niC ulatleuiA r mbeinteaP luibi bcIlats runzeèic oerdtiao vr eeforn ituon a valoippdoar tdurina idrtoaàc utmaenznesi coiiecnealt eifttieunrn aparr ioai e­ ziointneez rniaondaellmlegia l itorraiedo icnzuel atlsueir cnial.i a OnoerveoR lfafaelGee lnet i AssessoRreeg iodneail e Beni CeuA lmbteiutnraallii e dPeublblilacI atsu rzione 7