°®°®Ð¡ËµÍø > ÆäËûµç×ÓÊé > the age of invention >

µÚ7ÕÂ

the age of invention-µÚ7ÕÂ

С˵£º the age of invention ×ÖÊý£º ÿҳ3500×Ö

°´¼üÅÌÉÏ·½Ïò¼ü ¡û »ò ¡ú ¿É¿ìËÙÉÏÏ·­Ò³£¬°´¼üÅÌÉ쵀 Enter ¼ü¿É»Øµ½±¾ÊéĿ¼ҳ£¬°´¼üÅÌÉÏ·½Ïò¼ü ¡ü ¿É»Øµ½±¾Ò³¶¥²¿£¡
¡ª¡ª¡ª¡ªÎ´ÔĶÁÍꣿ¼ÓÈëÊéÇ©ÒѱãÏ´μÌÐøÔĶÁ£¡



ed¡¡to¡¡see¡¡his¡¡steam¡¡engine¡¡the¡¡greatest¡¡single¡¡factor¡¡in¡¡the¡¡new¡¡industrial¡¡era¡¡that¡¡had¡¡dawned¡¡for¡¡English¡­speaking¡¡folk¡£

Boulton¡¡and¡¡Watt£»¡¡however£»¡¡though¡¡they¡¡were¡¡the¡¡pioneers£»¡¡were¡¡by¡¡no¡¡means¡¡alone¡¡in¡¡the¡¡development¡¡of¡¡the¡¡steam¡¡engine¡£¡¡Soon¡¡there¡¡were¡¡rivals¡¡in¡¡the¡¡field¡¡with¡¡new¡¡types¡¡of¡¡engines¡£¡¡One¡¡of¡¡these¡¡was¡¡Richard¡¡Trevithick¡¡in¡¡England£»¡¡another¡¡was¡¡Oliver¡¡Evans¡¡of¡¡Philadelphia¡£¡¡Both¡¡Trevithick¡¡and¡¡Evans¡¡invented¡¡the¡¡high¡­pressure¡¡engine¡£¡¡Evans¡¡appears¡¡to¡¡have¡¡applied¡¡the¡¡high¡¡pressure¡¡principle¡¡before¡¡Trevithick£»¡¡and¡¡it¡¡has¡¡been¡¡said¡¡that¡¡Trevithick¡¡borrowed¡¡it¡¡from¡¡Evans£»¡¡but¡¡Evans¡¡himself¡¡never¡¡said¡¡so£»¡¡and¡¡it¡¡is¡¡more¡¡likely¡¡that¡¡each¡¡of¡¡these¡¡inventors¡¡worked¡¡it¡¡out¡¡independently¡£¡¡Watt¡¡introduced¡¡his¡¡steam¡¡to¡¡the¡¡cylinder¡¡at¡¡only¡¡slightly¡¡more¡¡than¡¡atmospheric¡¡pressure¡¡and¡¡clung¡¡tenaciously¡¡to¡¡the¡¡low¡­pressure¡¡theory¡¡all¡¡his¡¡life¡£¡¡Boulton¡¡and¡¡Watt£»¡¡indeed£»¡¡aroused¡¡by¡¡Trevithick's¡¡experiments¡¡in¡¡high¡­pressure¡¡engines£»¡¡sought¡¡to¡¡have¡¡Parliament¡¡pass¡¡an¡¡act¡¡forbidding¡¡high¡¡pressure¡¡on¡¡the¡¡ground¡¡that¡¡the¡¡lives¡¡of¡¡the¡¡public¡¡were¡¡endangered¡£¡¡Watt¡¡lived¡¡long¡¡enough£»¡¡however£»¡¡to¡¡see¡¡the¡¡high¡­pressure¡¡steam¡¡engine¡¡come¡¡into¡¡general¡¡favor£»¡¡not¡¡only¡¡in¡¡America¡¡but¡¡even¡¡in¡¡his¡¡own¡¡conservative¡¡country¡£

Less¡¡sudden£»¡¡less¡¡dramatic£»¡¡than¡¡that¡¡of¡¡the¡¡cotton¡¡gin£»¡¡was¡¡the¡¡entrance¡¡of¡¡the¡¡steam¡¡engine¡¡on¡¡the¡¡American¡¡industrial¡¡stage£»¡¡but¡¡not¡¡less¡¡momentous¡£¡¡The¡¡actions¡¡and¡¡reactions¡¡of¡¡steam¡¡in¡¡America¡¡provide¡¡the¡¡theme¡¡for¡¡an¡¡Iliad¡¡which¡¡some¡¡American¡¡Homer¡¡may¡¡one¡¡day¡¡write¡£¡¡They¡¡include¡¡the¡¡epic¡¡of¡¡the¡¡coal¡¡in¡¡the¡¡Pennsylvania¡¡hills£»¡¡the¡¡epic¡¡of¡¡the¡¡ore£»¡¡the¡¡epic¡¡of¡¡the¡¡railroad£»¡¡the¡¡epic¡¡of¡¡the¡¡great¡¡city£»¡¡and£»¡¡in¡¡general£»¡¡the¡¡subjugation¡¡of¡¡a¡¡continental¡¡wilderness¡¡to¡¡the¡¡service¡¡of¡¡a¡¡vast¡¡civilization¡£

The¡¡vital¡¡need¡¡of¡¡better¡¡transportation¡¡was¡¡uppermost¡¡in¡¡the¡¡thoughts¡¡of¡¡many¡¡Americans¡£¡¡It¡¡was¡¡seen¡¡that¡¡there¡¡could¡¡be¡¡no¡¡national¡¡unity¡¡in¡¡a¡¡country¡¡so¡¡far¡¡flung¡¡without¡¡means¡¡of¡¡easy¡¡intercourse¡¡between¡¡one¡¡group¡¡of¡¡Americans¡¡and¡¡another¡£¡¡The¡¡highroads¡¡of¡¡the¡¡new¡¡country¡¡were£»¡¡for¡¡the¡¡most¡¡part£»¡¡difficult¡¡even¡¡for¡¡the¡¡man¡¡on¡¡horseback£»¡¡and¡¡worse¡¡for¡¡those¡¡who¡¡must¡¡travel¡¡by¡¡coach¡¡or¡¡post¡­chaise¡£¡¡Inland¡¡from¡¡the¡¡coast¡¡and¡¡away¡¡from¡¡the¡¡great¡¡rivers¡¡there¡¡were¡¡no¡¡roads¡¡of¡¡any¡¡sort£»¡¡nothing¡¡but¡¡trails¡£¡¡Highways¡¡were¡¡essential£»¡¡not¡¡only¡¡for¡¡the¡¡permanent¡¡unity¡¡of¡¡the¡¡United¡¡States£»¡¡but¡¡to¡¡make¡¡available¡¡the¡¡wonderful¡¡riches¡¡of¡¡the¡¡inland¡¡country£»¡¡across¡¡the¡¡Appalachian¡¡barrier¡¡and¡¡around¡¡the¡¡Great¡¡Lakes£»¡¡into¡¡which¡¡American¡¡pioneers¡¡had¡¡already¡¡made¡¡their¡¡way¡£

Those¡¡immemorial¡¡pathways£»¡¡the¡¡great¡¡rivers£»¡¡were¡¡the¡¡main¡¡avenues¡¡of¡¡traffic¡¡with¡¡the¡¡interior¡£¡¡So£»¡¡of¡¡course£»¡¡when¡¡men¡¡thought¡¡of¡¡improving¡¡transportation£»¡¡they¡¡had¡¡in¡¡mind¡¡chiefly¡¡transportation¡¡by¡¡water£»¡¡and¡¡that¡¡is¡¡why¡¡the¡¡earliest¡¡efforts¡¡of¡¡American¡¡inventors¡¡were¡¡applied¡¡to¡¡the¡¡means¡¡of¡¡improving¡¡traffic¡¡and¡¡travel¡¡by¡¡water¡¡and¡¡not¡¡by¡¡land¡£

The¡¡first¡¡men¡¡to¡¡spend¡¡their¡¡time¡¡in¡¡trying¡¡to¡¡apply¡¡steam¡¡power¡¡to¡¡the¡¡propulsion¡¡of¡¡a¡¡boat¡¡were¡¡contemporaries¡¡of¡¡Benjamin¡¡Franklin¡£¡¡Those¡¡who¡¡worked¡¡without¡¡Watt's¡¡engine¡¡could¡¡hardly¡¡succeed¡£¡¡One¡¡of¡¡the¡¡earliest¡¡of¡¡these¡¡was¡¡William¡¡Henry¡¡of¡¡Pennsylvania¡£¡¡Henry£»¡¡in¡¡1763£»¡¡had¡¡the¡¡idea¡¡of¡¡applying¡¡power¡¡to¡¡paddle¡¡wheels£»¡¡and¡¡constructed¡¡a¡¡boat£»¡¡but¡¡his¡¡boat¡¡sank£»¡¡and¡¡no¡¡result¡¡followed£»¡¡unless¡¡it¡¡may¡¡be¡¡that¡¡John¡¡Fitch¡¡and¡¡Robert¡¡Fulton£»¡¡both¡¡of¡¡whom¡¡were¡¡visitors¡¡at¡¡Henry's¡¡house£»¡¡received¡¡some¡¡suggestions¡¡from¡¡him¡£¡¡James¡¡Rumsey¡¡of¡¡Maryland¡¡began¡¡experiments¡¡as¡¡early¡¡as¡¡1774¡¡and¡¡by¡¡1786¡¡had¡¡a¡¡boat¡¡that¡¡made¡¡four¡¡miles¡¡an¡¡hour¡¡against¡¡the¡¡current¡¡of¡¡the¡¡Potomac¡£

The¡¡most¡¡interesting¡¡of¡¡these¡¡early¡¡and¡¡unsuccessful¡¡inventors¡¡is¡¡John¡¡Fitch£»¡¡who£»¡¡was¡¡a¡¡Connecticut¡¡clockmaker¡¡living¡¡in¡¡Philadelphia¡£¡¡He¡¡was¡¡eccentric¡¡and¡¡irregular¡¡in¡¡his¡¡habits¡¡and¡¡quite¡¡ignorant¡¡of¡¡the¡¡steam¡¡engine¡£¡¡But¡¡he¡¡conceived¡¡the¡¡idea¡¡of¡¡a¡¡steamboat¡¡and¡¡set¡¡to¡¡work¡¡to¡¡make¡¡one¡£¡¡The¡¡record¡¡of¡¡Fitch's¡¡life¡¡is¡¡something¡¡of¡¡a¡¡tragedy¡£¡¡At¡¡the¡¡best¡¡he¡¡was¡¡an¡¡unhappy¡¡man¡¡and¡¡was¡¡always¡¡close¡¡to¡¡poverty¡£¡¡As¡¡a¡¡young¡¡man¡¡he¡¡had¡¡left¡¡his¡¡family¡¡because¡¡of¡¡unhappy¡¡domestic¡¡relations¡¡with¡¡his¡¡wife¡£¡¡One¡¡may¡¡find¡¡in¡¡the¡¡record¡¡of¡¡his¡¡undertakings¡¡which¡¡he¡¡left¡¡in¡¡the¡¡Philadelphia¡¡Library£»¡¡to¡¡be¡¡opened¡¡thirty¡¡years¡¡after¡¡its¡¡receipt£»¡¡these¡¡words£º¡¡¡¨I¡¡know¡¡of¡¡nothing¡¡so¡¡perplexing¡¡and¡¡vexatious¡¡to¡¡a¡¡man¡¡of¡¡feelings¡¡as¡¡a¡¡turbulent¡¡Wife¡¡and¡¡Steamboat¡¡building¡£¡¨¡¡But¡¡in¡¡spite¡¡of¡¡all¡¡his¡¡difficulties¡¡Fitch¡¡produced¡¡a¡¡steamboat£»¡¡which¡¡plied¡¡regularly¡¡on¡¡the¡¡Delaware¡¡for¡¡several¡¡years¡¡and¡¡carried¡¡passengers¡£¡¡¡¨We¡¡reigned¡¡Lord¡¡High¡¡Admirals¡¡of¡¡the¡¡Delaware£»¡¡and¡¡no¡¡other¡¡boat¡¡in¡¡the¡¡River¡¡could¡¡hold¡¡its¡¡way¡¡with¡¡us£»¡¨¡¡he¡¡wrote¡£¡¡¡¨Thus¡¡has¡¡been¡¡effected¡¡by¡¡little¡¡Johnny¡¡Fitch¡¡and¡¡Harry¡¡Voight¡¡£§one¡¡of¡¡his¡¡associates£§¡¡one¡¡of¡¡the¡¡greatest¡¡and¡¡most¡¡useful¡¡arts¡¡that¡¡has¡¡ever¡¡been¡¡introduced¡¡into¡¡the¡¡world£»¡¡and¡¡although¡¡the¡¡world¡¡and¡¡my¡¡country¡¡does¡¡not¡¡thank¡¡me¡¡for¡¡it£»¡¡yet¡¡it¡¡gives¡¡me¡¡heartfelt¡¡satisfaction¡£¡¨¡¡The¡¡¡¨Lord¡¡High¡¡Admirals¡¡of¡¡the¡¡Delaware£»¡¨¡¡however£»¡¡did¡¡not¡¡reign¡¡long¡£¡¡The¡¡steamboat¡¡needed¡¡improvement¡¡to¡¡make¡¡it¡¡pay£»¡¡its¡¡backers¡¡lost¡¡patience¡¡and¡¡faith£»¡¡and¡¡the¡¡inventor¡¡gave¡¡up¡¡the¡¡fight¡¡and¡¡retired¡¡into¡¡the¡¡fastnesses¡¡of¡¡the¡¡Kentucky¡¡wilderness£»¡¡where¡¡he¡¡died¡£

The¡¡next¡¡inventor¡¡to¡¡struggle¡¡with¡¡the¡¡problem¡¡of¡¡the¡¡steamboat£»¡¡with¡¡any¡¡approach¡¡to¡¡success£»¡¡was¡¡John¡¡Stevens¡¡of¡¡Hoboken¡£¡¡His¡¡life¡¡was¡¡cast¡¡in¡¡a¡¡vastly¡¡different¡¡environment¡¡from¡¡that¡¡of¡¡John¡¡Fitch¡£¡¡He¡¡was¡¡a¡¡rich¡¡man£»¡¡a¡¡man¡¡of¡¡family¡¡and¡¡of¡¡influence¡£¡¡His¡¡father's¡¡houseafterwards¡¡his¡¡own¡­at¡¡7¡¡Broadway£»¡¡facing¡¡Bowling¡¡Greenwas¡¡one¡¡of¡¡the¡¡mansions¡¡of¡¡early¡¡New¡¡York£»¡¡and¡¡his¡¡own¡¡summer¡¡residence¡¡on¡¡Castle¡¡Point£»¡¡Hoboken£»¡¡just¡¡across¡¡the¡¡Hudson£»¡¡was¡¡one¡¡of¡¡the¡¡landmarks¡¡of¡¡the¡¡great¡¡river¡£¡¡For¡¡many¡¡years¡¡John¡¡Stevens¡¡crossed¡¡that¡¡river£»¡¡most¡¡often¡¡in¡¡an¡¡open¡¡boat¡¡propelled¡¡by¡¡sail¡¡or¡¡by¡¡men¡¡at¡¡the¡¡oars¡£¡¡Being¡¡naturally¡¡of¡¡a¡¡mechanical¡¡turn£»¡¡he¡¡sought¡¡to¡¡make¡¡the¡¡crossing¡¡easier¡£¡¡To¡¡his¡¡library¡¡were¡¡coming¡¡the¡¡prints¡¡that¡¡told¡¡of¡¡James¡¡Watt¡¡and¡¡the¡¡steam¡¡engine¡¡in¡¡England£»¡¡and¡¡John¡¡Fitch's¡¡boat¡¡had¡¡interested¡¡him¡£

Robert¡¡Fulton's¡¡Clermont£»¡¡of¡¡which¡¡we¡¡shall¡¡speak¡¡presently£»¡¡was¡¡undoubtedly¡¡the¡¡pioneer¡¡of¡¡practicable¡¡steamboats¡£¡¡But¡¡the¡¡Phoenix£»¡¡built¡¡by¡¡John¡¡Stevens£»¡¡followed¡¡close¡¡on¡¡the¡¡Clermont¡£¡¡And¡¡its¡¡engines¡¡were¡¡built¡¡in¡¡America£»¡¡while¡¡those¡¡of¡¡the¡¡Clermont¡¡had¡¡been¡¡imported¡¡from¡¡England¡£¡¡Moreover£»¡¡in¡¡June£»¡¡1808£»¡¡the¡¡Phoenix¡¡stood¡¡to¡¡sea£»¡¡and¡¡made¡¡the¡¡first¡¡ocean¡¡voyage¡¡in¡¡the¡¡history¡¡of¡¡steam¡¡navigation¡£¡¡Because¡¡of¡¡a¡¡monopoly¡¡of¡¡the¡¡Hudson£»¡¡which¡¡the¡¡New¡¡York¡¡Legislature¡¡had¡¡granted¡¡to¡¡Livingston¡¡and¡¡Fulton£»¡¡Stevens¡¡was¡¡compelled¡¡to¡¡send¡¡his¡¡ship¡¡to¡¡the¡¡Delaware¡£¡¡Hence¡¡the¡¡trip¡¡out¡¡into¡¡the¡¡waters¡¡of¡¡the¡¡Atlantic£»¡¡a¡¡journey¡¡that¡¡was¡¡not¡¡undertaken¡¡without¡¡trepidation¡£¡¡But£»¡¡despite¡¡the¡¡fact¡¡that¡¡a¡¡great¡¡storm¡¡arose£»¡¡the¡¡Phoenix¡¡made¡¡the¡¡trip¡¡in¡¡safety£»¡¡and¡¡continued¡¡for¡¡many¡¡years¡¡thereafter¡¡to¡¡ply¡¡the¡¡Delaware¡¡between¡¡Philadelphia¡¡and¡¡Trenton¡£

Robert¡¡Fulton£»¡¡like¡¡many¡¡and¡¡many¡¡another¡¡great¡¡inventor£»¡¡from¡¡Leonardo¡¡da¡¡Vinci¡¡down¡¡to¡¡the¡¡present¡¡time£»¡¡was¡¡also¡¡an¡¡artist¡£¡¡He¡¡was¡¡born¡¡November¡¡14£»¡¡1765£»¡¡at¡¡Little¡¡Britain£»¡¡Lancaster¡¡County£»¡¡Pennsylvania£»¡¡of¡¡that¡¡stock¡¡which¡¡is¡¡so¡¡often¡¡miscalled¡¡¡¨Scotch¡­Irish¡£¡¨¡¡He¡¡was¡¡only¡¡a¡¡child¡¡when¡¡his¡¡father¡¡died£»¡¡leaving¡¡behind¡¡him¡¡a¡¡son¡¡who¡¡seems¡¡to¡¡have¡¡been¡¡much¡¡more¡¡interested¡¡in¡¡his¡¡own¡¡ideas¡¡than¡¡in¡¡his¡¡schoolbooks¡£¡¡Even¡¡in¡¡his¡¡childhood¡¡Robert¡¡showed¡¡his¡¡mechanical¡¡ability¡£¡¡There¡¡was¡¡a¡¡firm¡¡of¡¡noted¡¡gunsmiths¡¡in¡¡Lancaster£»¡¡in¡¡whose¡¡shops¡¡he¡¡made¡¡himself¡¡at¡¡home¡¡and¡¡became¡¡expert¡¡in¡¡the¡¡use¡¡of¡¡tools¡£¡¡At¡¡the¡¡age¡¡of¡¡fourteen¡¡he¡¡applied¡¡his¡¡ingenuity¡¡to¡¡a¡¡heavy¡¡fishing¡¡boat¡¡and¡¡equipped¡¡it¡¡with¡¡paddle¡­wheels£»¡¡which¡¡were¡¡turned¡¡by¡¡a¡¡crank£»¡¡thus¡¡greatly¡¡lightening¡¡the¡¡labor¡¡of¡¡moving¡¡it¡£

At¡¡the¡¡age¡¡of¡¡seventeen¡¡young¡¡Fulton¡¡moved¡¡to¡¡Philadelphia¡¡and¡¡set¡¡up¡¡as¡¡a¡¡portrait¡¡painter¡£¡¡Some¡¡of¡¡the¡¡miniatures¡¡which¡¡he¡¡painted¡¡at¡¡this¡¡time¡¡are¡¡said¡¡to¡¡be¡¡very¡¡good¡£¡¡He¡¡worked¡¡hard£»¡¡made¡¡many¡¡good¡¡friends£»¡¡including¡¡Benjamin¡¡Franklin£»¡¡and¡¡succeeded¡¡financially¡£¡¡He¡¡determined¡¡to¡¡go¡¡to¡¡Europe¡¡to¡¡studyif¡¡possible¡¡under¡¡his¡¡fellow¡¡Pennsylvanian£»¡¡Benjamin¡¡West£»¡¡then¡¡rising¡¡into¡¡fame¡¡in¡¡London¡£¡¡The¡¡West¡¡and¡¡the¡¡Fulton¡¡families¡¡had¡¡been¡¡intimate£»¡¡and¡¡Fulton¡¡hoped¡¡that¡¡West¡¡would¡¡take¡¡him¡¡as¡¡a¡¡pupil¡£¡¡First¡¡buying¡¡a¡¡farm¡¡for¡¡his¡¡mother¡¡with¡¡a¡¡part¡¡of¡¡his¡¡savings£»¡¡he¡¡sailed¡¡for¡¡England¡¡in¡¡1786£»¡¡with¡¡forty¡¡guineas¡¡in¡¡his¡¡pocket¡£¡¡West¡¡received¡¡him¡¡not¡¡only¡¡as¡¡a¡¡pupil¡¡but¡¡as¡¡a¡¡guest¡¡in¡¡his¡¡house¡¡and¡¡introduced¡¡him¡¡to¡¡many¡¡of¡¡his¡¡friends¡£¡¡Again¡¡Fulton¡¡succeeded£»¡¡and¡¡in¡¡1791¡¡two¡¡of¡¡his¡¡portraits¡¡were¡¡exhibited¡¡at¡¡the¡¡Royal¡¡Academy£»¡¡and¡¡the¡¡Royal¡¡Society¡¡of¡¡British¡¡Artists¡¡hung¡¡four¡¡paintings¡¡by¡¡him¡£

Then¡¡came¡¡the¡¡commission¡¡which¡¡changed¡¡the¡¡course¡¡of¡¡Fulton's¡¡life¡£¡¡His¡¡work¡¡had¡¡attracted¡¡the¡¡notice¡¡of¡¡Viscount¡¡Courtenay£»¡¡later¡¡Earl¡¡of¡¡Devon£»¡¡and¡¡he¡¡was¡¡invited¡¡to¡¡Devonshire¡¡to¡¡paint¡¡that¡¡nobleman's¡¡portrait¡£¡¡Here¡¡he¡¡met¡¡Francis£»¡¡third¡¡Duke¡¡of¡¡Bridgewater£»¡¡the¡¡father¡¡of¡¡the¡¡English¡¡canal¡¡system£»¡¡and¡¡his¡¡hardly¡¡less¡¡famous¡¡engineer£»¡¡James¡¡Brindley£»¡¡and¡¡also¡¡Earl¡¡Stanhope£»¡¡a¡¡restless£»¡¡inquiring¡¡spirit¡£¡¡Fulton¡¡the¡¡mechanic¡¡presently¡¡began¡¡to¡¡dominate¡¡Fulton¡¡the¡¡artist¡£¡¡He¡¡studied¡¡canals£»¡¡invented¡¡a¡¡means¡¡of¡¡sawing¡¡marble¡¡in¡¡the¡¡quarries£»¡¡improved¡¡the¡¡wheel¡¡for¡¡spinning¡¡flax£»¡¡invented¡¡a¡¡machine¡¡for¡¡making¡¡rope£»¡¡and¡¡a¡¡method¡¡of¡¡raising¡¡canal¡¡boats¡¡by¡¡inclined¡¡planes¡¡instead¡¡of¡¡locks¡£¡¡What¡¡money¡¡he¡¡made¡¡from¡¡these¡¡inventions¡¡we¡¡do¡¡not¡¡know£»¡¡but¡¡somewhat¡¡later¡¡£¨1796£©¡¡he¡¡speaks¡¡hopefully¡¡of¡¡an¡¡improvement¡¡in¡¡tanning¡£¡¡This¡¡same¡¡year¡¡he¡¡published¡¡a¡¡pamphlet¡¡entitled¡¡¡¨A¡¡Treatise¡¡on¡¡the¡¡Improvement¡¡of¡¡Canal¡¡Navigation¡¨£»¡¡copies¡¡of¡¡which¡¡were¡¡sent¡¡to¡¡Napoleon¡¡and¡¡President¡¡Washington¡£

Fulton¡¡went¡¡to¡¡France¡¡in¡¡1797¡£¡¡To¡¡earn¡¡money¡¡he¡¡painted¡¡several¡¡portraits¡¡and¡¡a¡¡panorama¡¡of¡¡the¡¡Burning¡¡of¡¡Moscow¡£¡¡This¡¡panorama£»¡¡covering¡¡the¡¡walls¡¡of¡¡a¡¡circular¡¡hall¡¡built¡¡especially¡¡for¡¡it£»¡¡became¡¡very¡¡popular£»¡¡and¡¡Fulton¡¡painted¡¡another¡£¡¡In¡¡Paris¡¡he¡¡formed¡¡a¡¡warm¡¡friendship¡¡with¡¡that¡¡singular¡¡American£»¡¡Joel¡¡Barlow£»¡¡soldier£»¡¡poet£»¡¡speculator£»¡¡and¡¡diplomatist£»¡¡and¡¡his¡¡wife£»¡¡and¡¡for¡¡seven¡¡years¡¡lived¡¡in¡¡their¡¡house¡£

The¡¡long¡¡and¡¡complicated¡¡story¡¡of¡¡Fulton's¡¡sudden¡¡interest¡¡in¡¡torpedoes¡¡and¡¡submarine¡¡boats£»¡¡his¡¡dealings¡¡with¡¡the¡¡Directory¡¡and¡¡Napoleon¡¡and¡¡with¡¡the¡¡British¡¡Admiralty¡¡does¡¡not¡¡belong¡¡here¡£¡¡His¡¡experiments¡¡and¡¡his¡¡negotiations¡¡with¡¡the¡¡two¡¡Governments¡¡occupied¡¡the¡¡greater¡¡part¡¡of¡¡his¡¡time¡¡for¡¡the¡¡years¡¡between¡¡1797¡¡and¡¡1806¡£¡¡His¡¡expressed¡¡purpose¡¡was¡¡to¡¡make¡¡an¡¡engine¡¡of¡¡war¡¡so¡¡terrible¡¡that¡¡war¡¡would¡¡automatically¡¡be¡¡abolished¡£¡¡The¡¡world£»¡¡however£»¡¡was¡¡not¡¡ready¡¡for¡¡diving¡¡boats¡¡and¡¡torpedoes£»¡¡nor¡¡yet¡¡for¡¡the¡¡end¡¡of¡¡war£»¡¡and¡¡his¡¡efforts¡¡had¡¡no¡¡tangible¡¡results¡£*

*¡¡The¡¡submarine¡¡was¡¡the¡¡invention¡¡of¡¡David¡¡Bushnell£»¡¡a¡¡Connecticut¡¡Yankee£»¡¡whose¡¡¡¨American¡¡Turtle¡¨¡¡blew¡¡up¡¡at¡¡least¡¡one¡¡British¡¡vessel¡¡in¡¡the¡¡War¡¡of¡¡Independence¡¡and¡¡created¡¡much¡¡consternation¡¡among¡¡the¡¡King's¡¡ships¡¡in¡¡American¡¡waters¡£


During¡¡all¡¡the¡¡years¡¡after¡¡1793£»¡¡at¡¡least£»¡¡and¡¡perhaps¡¡earlier£»¡¡the¡¡idea¡¡of¡¡the¡¡steamboat¡¡had¡¡seldom¡¡been¡¡out¡¡of¡¡his¡¡mind£»¡¡but¡¡lack¡¡of¡¡funds¡¡and¡¡the¡¡greater¡¡urgency£»¡¡as¡¡he¡¡thought£»¡¡of¡¡the¡¡submarine¡¡prevented¡¡him¡¡from¡¡working¡¡seriously¡¡upon¡¡it¡£¡¡In¡¡1801£»¡¡however£»¡¡Robert¡¡R¡£¡¡Livingston¡¡came¡¡to¡¡France¡¡as¡¡American¡¡Minister¡£¡¡Livingston¡¡had¡¡already¡¡made¡¡some¡¡unsuccessful¡¡experiments¡¡with¡¡the¡¡steamboat¡¡in¡¡the¡¡United¡¡States£»¡¡and£»¡¡in¡¡1798£»¡¡had¡¡received¡¡the¡¡monopoly¡¡of¡¡steam¡¡navigation¡¡on¡¡the¡¡waters¡¡of¡¡New¡¡York¡¡for¡¡twenty¡¡years£»¡¡provided¡¡that¡¡he¡¡produced¡¡a¡¡vessel¡¡within¡¡twelve¡¡months¡¡able¡¡to¡¡steam¡¡four¡¡miles¡¡an¡¡hour¡£¡¡T

·µ»ØĿ¼ ÉÏÒ»Ò³ ÏÂÒ»Ò³ »Øµ½¶¥²¿ ÔÞ£¨0£© ²È£¨0£©

Äã¿ÉÄÜϲ»¶µÄ