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men of invention and industry-µÚ49ÕÂ

С˵£º men of invention and industry ×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¿£¡
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a¡¡revolving¡¡surface¡¡condenser¡¡for¡¡reducing¡¡the¡¡steam¡¡to¡¡water

again£»¡¡by¡¡means¡¡of¡¡its¡¡exposure¡¡to¡¡the¡¡cold¡¡draught¡¡of¡¡the

atmosphere¡¡through¡¡the¡¡interstices¡¡of¡¡extremely¡¡thin¡¡laminations

of¡¡copper¡¡plates¡£¡¡¡¡The¡¡entire¡¡machinery£»¡¡placed¡¡under¡¡the¡¡bottom

of¡¡the¡¡carriage£»¡¡was¡¡borne¡¡on¡¡springs£»¡¡the¡¡whole¡¡being¡¡of¡¡an

elegant¡¡form¡£¡¡¡¡This¡¡model¡¡steam¡­carriage¡¡ascended¡¡with¡¡perfect

ease¡¡the¡¡steepest¡¡roads¡£¡¡¡¡Its¡¡success¡¡was¡¡so¡¡complete¡¡that¡¡Dr¡£

Harland¡¡designed¡¡a¡¡full¡­sized¡¡carriage£»¡¡but¡¡the¡¡demands¡¡upon¡¡his

professional¡¡skill¡¡were¡¡so¡¡great¡¡that¡¡he¡¡was¡¡prevented¡¡going

further¡¡than¡¡constructing¡¡the¡¡pair¡¡of¡¡engines£»¡¡the¡¡wheels£»¡¡and¡¡a

part¡¡of¡¡the¡¡boiler£»all¡¡of¡¡which¡¡remnants¡¡I¡¡still¡¡preserve£»¡¡as

valuable¡¡links¡¡in¡¡the¡¡progress¡¡of¡¡steam¡¡locomotion¡£



Other¡¡branches¡¡of¡¡practical¡¡sciencesuch¡¡as¡¡electricity£»

magnetism£»¡¡and¡¡chemical¡¡cultivation¡¡of¡¡the¡¡soilreceived¡¡a¡¡share

of¡¡his¡¡attention¡£¡¡¡¡He¡¡predicted¡¡that¡¡three¡¡or¡¡four¡¡powerful

electric¡¡lamps¡¡would¡¡yet¡¡light¡¡a¡¡whole¡¡city¡£¡¡¡¡He¡¡was¡¡also

convinced¡¡of¡¡the¡¡feasibility¡¡of¡¡an¡¡electric¡¡cable¡¡to¡¡New¡¡York£»

and¡¡calculated¡¡the¡¡probable¡¡cost¡£¡¡¡¡As¡¡an¡¡¡¡example¡¡to¡¡the

neighbourhood£»¡¡he¡¡successfully¡¡cultivated¡¡a¡¡tract¡¡of¡¡moorland£»

and¡¡overcame¡¡difficulties¡¡which¡¡before¡¡then¡¡were¡¡thought

insurmountable¡£



When¡¡passing¡¡through¡¡Newcastle£»¡¡while¡¡still¡¡a¡¡young¡¡man£»¡¡on¡¡one

of¡¡his¡¡journeys¡¡to¡¡the¡¡University¡¡at¡¡Edinburgh£»¡¡and¡¡being

desirous¡¡of¡¡witnessing¡¡the¡¡operations¡¡in¡¡a¡¡coal¡­mine£»¡¡a¡¡friend

recommended¡¡him¡¡to¡¡visit¡¡Killingworth¡¡pit£»¡¡where¡¡he¡¡would¡¡find

one¡¡George¡¡Stephenson£»¡¡a¡¡most¡¡intelligent¡¡workman£»¡¡in¡¡charge¡£¡¡¡¡My

father¡¡was¡¡introduced¡¡to¡¡Mr¡£¡¡Stephenson¡¡accordingly£»¡¡and¡¡after

rambling¡¡over¡¡the¡¡underground¡¡workings£»¡¡and¡¡observing¡¡the¡¡pumping

and¡¡winding¡¡engines¡¡in¡¡full¡¡operation£»¡¡a¡¡friendship¡¡was¡¡made£»

which¡¡afterwards¡¡proved¡¡of¡¡the¡¡greatest¡¡service¡¡to¡¡myself£»¡¡by

facilitating¡¡my¡¡being¡¡placed¡¡as¡¡a¡¡pupil¡¡at¡¡the¡¡great¡¡engineering

works¡¡of¡¡Messrs¡£¡¡Robert¡¡Stephenson¡¡and¡¡Co¡££»¡¡at¡¡Newcastle¡£



My¡¡mother¡¡was¡¡the¡¡daughter¡¡of¡¡Gawan¡¡Pierson£»¡¡a¡¡landed¡¡proprietor

of¡¡Goathland£»¡¡near¡¡Rosedale¡£¡¡¡¡She£»¡¡too£»¡¡was¡¡surprisingly

mechanical¡¡in¡¡her¡¡tastes£»¡¡and¡¡assisted¡¡my¡¡father¡¡in¡¡preparing

many¡¡of¡¡his¡¡plans£»¡¡besides¡¡attaining¡¡considerable¡¡proficiency¡¡in

drawing£»¡¡painting£»¡¡and¡¡modelling¡¡in¡¡wax¡£¡¡¡¡Toys¡¡in¡¡those¡¡days¡¡were

poor£»¡¡as¡¡well¡¡as¡¡very¡¡expensive¡¡to¡¡purchase¡£¡¡¡¡But¡¡the¡¡nursery

soon¡¡became¡¡a¡¡little¡¡workshop¡¡under¡¡her¡¡directions£»¡¡and¡¡the¡¡boys

were¡¡usually¡¡engaged£»¡¡one¡¡in¡¡making¡¡a¡¡cart£»¡¡another¡¡in¡¡carving

out¡¡a¡¡horse£»¡¡and¡¡a¡¡third¡¡in¡¡cutting¡¡out¡¡a¡¡boat£»¡¡while¡¡the¡¡girls

were¡¡making¡¡harness£»¡¡or¡¡sewing¡¡sails£»¡¡or¡¡cutting¡¡out¡¡and¡¡making

perfect¡¡dresses¡¡for¡¡their¡¡dollswhose¡¡houses¡¡were¡¡completely

furnished¡¡with¡¡everything£»¡¡from¡¡the¡¡kitchen¡¡to¡¡the¡¡attic£»¡¡all

made¡¡at¡¡home¡£



It¡¡was¡¡in¡¡a¡¡house¡¡of¡¡such¡¡industry¡¡and¡¡mechanism¡¡that¡¡I¡¡was

brought¡¡up¡£¡¡¡¡As¡¡a¡¡youth£»¡¡I¡¡was¡¡slow¡¡at¡¡my¡¡lessons£»¡¡preferring¡¡to

watch¡¡and¡¡assist¡¡workmen¡¡when¡¡I¡¡had¡¡an¡¡opportunity¡¡of¡¡doing¡¡so£»

even¡¡with¡¡the¡¡certainty¡¡of¡¡having¡¡a¡¡thrashing¡¡from¡¡the

schoolmaster¡¡for¡¡my¡¡neglect¡£¡¡¡¡Thus¡¡I¡¡got¡¡to¡¡know¡¡every¡¡workshop

and¡¡every¡¡workman¡¡in¡¡the¡¡town¡£¡¡¡¡At¡¡any¡¡rate¡¡I¡¡picked¡¡up¡¡a

smattering¡¡of¡¡a¡¡variety¡¡of¡¡trades£»¡¡which¡¡afterwards¡¡proved¡¡of¡¡the

greatest¡¡use¡¡to¡¡me¡£¡¡¡¡The¡¡chief¡¡of¡¡these¡¡was¡¡wooden¡¡shipbuilding£»

a¡¡branch¡¡of¡¡industry¡¡then¡¡extensively¡¡carried¡¡on¡¡by¡¡Messrs¡£

William¡¡and¡¡Robert¡¡Tindall£»¡¡the¡¡former¡¡of¡¡whom¡¡resided¡¡in¡¡London£»

he¡¡was¡¡one¡¡of¡¡the¡¡half¡­dozen¡¡great¡¡shipbuilders¡¡and¡¡owners¡¡who

founded¡¡¡¨Lloyd's¡£¡¨¡¡¡¡Splendid¡¡East¡¡Indiamen£»¡¡of¡¡some¡¡1000¡¡tons

burden£»¡¡were¡¡then¡¡built¡¡at¡¡Scarborough£»¡¡and¡¡scarcely¡¡a¡¡timber¡¡was

moulded£»¡¡a¡¡plank¡¡bent£»¡¡a¡¡spar¡¡lined¡¡off£»¡¡or¡¡launching¡¡ship¡­ways

laid£»¡¡without¡¡my¡¡being¡¡present¡¡to¡¡witness¡¡them¡£¡¡¡¡And¡¡thus£»¡¡in

course¡¡of¡¡time£»¡¡I¡¡was¡¡able¡¡to¡¡make¡¡for¡¡myself¡¡the¡¡neatest¡¡and

fastest¡¡of¡¡model¡¡yachts¡£



At¡¡that¡¡time£»¡¡I¡¡attended¡¡the¡¡Grammar¡¡School¡£¡¡¡¡Of¡¡the¡¡rudiments

taught£»¡¡I¡¡was¡¡fondest¡¡of¡¡drawing£»¡¡geometry£»¡¡and¡¡Euclid¡£¡¡¡¡Indeed£»

I¡¡went¡¡twice¡¡through¡¡the¡¡first¡¡two¡¡books¡¡of¡¡the¡¡latter¡¡before¡¡I

was¡¡twelve¡¡years¡¡old¡£¡¡¡¡At¡¡this¡¡age¡¡I¡¡was¡¡sent¡¡to¡¡the¡¡Edinburgh

Academy£»¡¡my¡¡eldest¡¡brother¡¡William¡¡being¡¡then¡¡a¡¡medical¡¡student

at¡¡the¡¡University¡£¡¡¡¡I¡¡remained¡¡at¡¡Edinburgh¡¡two¡¡years¡£¡¡¡¡My¡¡early

progress¡¡in¡¡mathematics¡¡would¡¡have¡¡been¡¡lost¡¡in¡¡the¡¡classical

training¡¡which¡¡was¡¡then¡¡insisted¡¡upon¡¡at¡¡the¡¡academy£»¡¡but¡¡for¡¡my

brother¡¡who¡¡was¡¡not¡¡only¡¡a¡¡good¡¡mathematician¡¡but¡¡an¡¡excellent

mechanic¡£¡¡¡¡He¡¡took¡¡care¡¡to¡¡carry¡¡on¡¡my¡¡instruction¡¡in¡¡that¡¡branch

of¡¡knowledge£»¡¡as¡¡well¡¡as¡¡to¡¡teach¡¡me¡¡to¡¡make¡¡models¡¡of¡¡machines

and¡¡buildings£»¡¡in¡¡which¡¡he¡¡was¡¡himself¡¡proficient¡£¡¡¡¡I¡¡remember£»

in¡¡one¡¡of¡¡my¡¡journeys¡¡to¡¡Edinburgh£»¡¡by¡¡coach¡¡from¡¡Darlington£»

that¡¡a¡¡gentleman¡¡expressed¡¡his¡¡wonder¡¡what¡¡a¡¡screw¡¡propeller

could¡¡be¡¡like£»¡¡for¡¡the¡¡screw£»¡¡as¡¡a¡¡method¡¡of¡¡propulsion£»¡¡was¡¡then

being¡¡introduced¡£¡¡¡¡I¡¡pointed¡¡out¡¡to¡¡him¡¡the¡¡patent¡¡tail¡¡of¡¡a

windmill¡¡by¡¡the¡¡roadside£»¡¡and¡¡said£»¡¡¡¨It¡¡is¡¡just¡¡like¡¡that£¡¡¨



In¡¡1844¡¡my¡¡mother¡¡died£»¡¡and¡¡shortly¡¡after£»¡¡my¡¡brother¡¡having

become¡¡M¡£D¡££»¡¡and¡¡obtained¡¡a¡¡prize¡¡gold¡¡medal£»¡¡we¡¡returned¡¡to

Scarborough¡£¡¡¡¡It¡¡was¡¡intended¡¡that¡¡he¡¡should¡¡assist¡¡my¡¡father£»

but¡¡he¡¡preferred¡¡going¡¡abroad¡¡for¡¡a¡¡few¡¡years¡£¡¡¡¡I¡¡may¡¡mention

further£»¡¡with¡¡relation¡¡to¡¡him£»¡¡that¡¡after¡¡many¡¡years¡¡of

scientific¡¡research¡¡and¡¡professional¡¡practice£»¡¡he¡¡died¡¡at¡¡Hong

Kong¡¡in¡¡1858£»¡¡when¡¡a¡¡public¡¡monument¡¡was¡¡erected¡¡to¡¡his¡¡memory£»

in¡¡what¡¡is¡¡known¡¡as¡¡the¡¡¡¨Happy¡¡Valley¡£¡¨



I¡¡remained¡¡for¡¡a¡¡short¡¡time¡¡under¡¡the¡¡tuition¡¡of¡¡my¡¡old¡¡master¡£¡¡

But¡¡as¡¡the¡¡time¡¡was¡¡rapidly¡¡approaching¡¡when¡¡I¡¡too¡¡must¡¡determine

what¡¡I¡¡was¡¡¡¨to¡¡be¡¨¡¡in¡¡life¡£¡¡¡¡I¡¡had¡¡no¡¡hesitation¡¡in¡¡deciding¡¡to

be¡¡an¡¡engineer£»¡¡though¡¡my¡¡father¡¡wished¡¡me¡¡to¡¡be¡¡a¡¡barrister¡£¡¡

But¡¡I¡¡kept¡¡constant¡¡to¡¡my¡¡resolution£»¡¡and¡¡eventually¡¡he

succeeded£»¡¡through¡¡his¡¡early¡¡acquaintance¡¡with¡¡George¡¡Stephenson£»

in¡¡gaining¡¡for¡¡me¡¡an¡¡entrance¡¡to¡¡the¡¡engineering¡¡works¡¡of¡¡Robert

Stephenson¡¡and¡¡Co¡££»¡¡at¡¡Newcastle¡­upon¡­Tyne¡£¡¡¡¡I¡¡started¡¡there¡¡as¡¡a

pupil¡¡on¡¡my¡¡fifteenth¡¡birthday£»¡¡for¡¡an¡¡apprenticeship¡¡of¡¡five

years¡£¡¡¡¡I¡¡was¡¡to¡¡spend¡¡the¡¡first¡¡four¡¡years¡¡in¡¡the¡¡various

workshops£»¡¡and¡¡the¡¡last¡¡year¡¡in¡¡the¡¡drawing¡­office¡£



I¡¡was¡¡now¡¡in¡¡my¡¡element¡£¡¡¡¡The¡¡working¡¡hours£»¡¡it¡¡is¡¡true£»¡¡were

very¡¡long£»being¡¡from¡¡six¡¡in¡¡the¡¡morning¡¡until¡¡8¡£15¡¡at¡¡night£»

excepting¡¡on¡¡Saturday£»¡¡when¡¡we¡¡knocked¡¡off¡¡at¡¡four¡£¡¡¡¡However£»¡¡all

this¡¡gave¡¡me¡¡so¡¡much¡¡the¡¡more¡¡experience£»¡¡and£»¡¡taking¡¡advantage

of¡¡it£»¡¡I¡¡found¡¡that£»¡¡when¡¡I¡¡had¡¡reached¡¡the¡¡age¡¡of¡¡eighteen£»¡¡I

was¡¡intrusted¡¡with¡¡the¡¡full¡¡charge¡¡of¡¡erecting¡¡one¡¡side¡¡of¡¡a

locomotive¡£¡¡¡¡I¡¡had¡¡to¡¡accomplish¡¡the¡¡same¡¡amount¡¡of¡¡work¡¡as¡¡my

mate¡¡on¡¡the¡¡other¡¡side£»¡¡one¡¡Murray¡¡Playfair£»¡¡a¡¡powerful£»

hard¡­working¡¡Scotchman¡£¡¡¡¡My¡¡strength¡¡and¡¡endurance¡¡were¡¡sometimes

taxed¡¡to¡¡the¡¡utmost£»¡¡and¡¡required¡¡the¡¡intervals¡¡of¡¡my¡¡labour¡¡to

be¡¡spent¡¡in¡¡merely¡¡eating¡¡and¡¡sleeping¡£



I¡¡afterwards¡¡went¡¡through¡¡the¡¡machine¡­shops¡£¡¡¡¡I¡¡was¡¡fortunate

enough¡¡to¡¡get¡¡charge¡¡of¡¡the¡¡best¡¡screw¡­cutting¡¡and¡¡brass¡­turning

lathe¡¡in¡¡the¡¡shop£»¡¡the¡¡former¡¡occupant£»¡¡Jack¡¡Singleton£»¡¡having

just¡¡been¡¡promoted¡¡to¡¡a¡¡foreman's¡¡berth¡¡at¡¡the¡¡Messrs¡£

Armstrong's¡¡factory¡£¡¡¡¡He¡¡afterwards¡¡became¡¡superintendent¡¡of¡¡all

the¡¡hydraulic¡¡machinery¡¡of¡¡the¡¡Mersey¡¡Dock¡¡Trust¡¡at¡¡Liverpool¡£¡¡

After¡¡my¡¡four¡¡years¡¡had¡¡been¡¡completed£»¡¡I¡¡went¡¡into¡¡the

drawing¡­office£»¡¡to¡¡which¡¡I¡¡had¡¡looked¡¡forward¡¡with¡¡pleasure£»¡¡and£»

having¡¡before¡¡practised¡¡lineal¡¡as¡¡well¡¡as¡¡free¡­hand¡¡drawing£»¡¡I

soon¡¡succeeded¡¡in¡¡getting¡¡good¡¡and¡¡difficult¡¡designs¡¡to¡¡work¡¡out£»

and¡¡eventually¡¡finished¡¡drawings¡¡of¡¡the¡¡engines¡£¡¡¡¡Indeed£»¡¡on

visiting¡¡the¡¡works¡¡many¡¡years¡¡after£»¡¡one¡¡of¡¡these¡¡drawings¡¡was

shown¡¡to¡¡me¡¡as¡¡a¡¡¡¨specimen£»¡¨¡¡the¡¡person¡¡exhibiting¡¡it¡¡not¡¡knowing

that¡¡it¡¡was¡¡my¡¡own¡¡work¡£



In¡¡the¡¡course¡¡of¡¡my¡¡occasional¡¡visits¡¡to¡¡Scarborough£»¡¡my

attention¡¡was¡¡drawn¡¡to¡¡the¡¡imperfect¡¡design¡¡of¡¡the¡¡lifeboats¡¡of

the¡¡period£»¡¡the¡¡frequent¡¡shipwrecks¡¡along¡¡the¡¡coast¡¡indicating

the¡¡necessity¡¡for¡¡their¡¡improvement¡£¡¡¡¡After¡¡considerable

deliberation£»¡¡I¡¡matured¡¡a¡¡plan¡¡for¡¡a¡¡metal¡¡lifeboat£»¡¡of¡¡a

cylindrico¡­conical¡¡or¡¡chrysalis¡¡form£»¡¡to¡¡be¡¡propelled¡¡by¡¡a¡¡screw

at¡¡each¡¡end£»¡¡turned¡¡by¡¡sixteen¡¡men¡¡inside£»¡¡seated¡¡on

water¡­ballast¡¡tanks£»¡¡sufficient¡¡room¡¡being¡¡left¡¡at¡¡the¡¡ends

inside¡¡for¡¡the¡¡accommodation¡¡of¡¡ten¡¡or¡¡twelve¡¡shipwrecked

persons£»¡¡while¡¡a¡¡mate¡¡near¡¡the¡¡bow£»¡¡and¡¡the¡¡captain¡¡near¡¡the

stern¡¡in¡¡charge¡¡of¡¡the¡¡rudder£»¡¡were¡¡stationed¡¡in¡¡recesses¡¡in¡¡the

deck¡¡about¡¡three¡¡feet¡¡deep¡£¡¡¡¡The¡¡whole¡¡apparatus¡¡was¡¡almost

cylindrical£»¡¡and¡¡watertight£»¡¡save¡¡in¡¡the¡¡self¡­acting¡¡ventilators£»

which¡¡could¡¡only¡¡give¡¡access¡¡to¡¡the¡¡smallest¡¡portion¡¡of¡¡water¡£¡¡¡¡I

considered¡¡that£»¡¡if¡¡the¡¡lifeboat¡¡fully¡¡manned¡¡were¡¡launched¡¡into

the¡¡roughest¡¡seas£»¡¡or¡¡off¡¡the¡¡deck¡¡of¡¡a¡¡vessel£»¡¡it¡¡would£»¡¡even¡¡if

turned¡¡on¡¡its¡¡back£»¡¡immediately¡¡right¡¡itself£»¡¡without¡¡any¡¡of¡¡the

crew¡¡being¡¡disturbed¡¡from¡¡their¡¡positions£»¡¡to¡¡which¡¡they¡¡were¡¡to

have¡¡been¡¡strapped¡£



It¡¡happened¡¡that¡¡at¡¡this¡¡time¡¡£¨the¡¡summer¡¡of¡¡1850£©¡¡his¡¡Grace¡¡the

late¡¡Duke¡¡of¡¡Northumberland£»¡¡who¡¡had¡¡always¡¡taken¡¡a¡¡deep¡¡interest

in¡¡the¡¡Lifeboat¡¡Institution£»¡¡offered¡¡a¡¡prize¡¡of¡¡one¡¡hundred

guineas¡¡for¡¡the¡¡best¡¡model¡¡and¡¡design¡¡of¡¡such¡¡a¡¡craft£»¡¡so¡¡I

determined¡¡to¡¡complete¡¡my¡¡plans¡¡and¡¡make¡¡a¡¡working¡¡model¡¡of¡¡my

lifeboat¡£¡¡¡¡I¡¡came¡¡to¡¡the¡¡conclusion¡¡that¡¡the¡¡cylindrico¡­conical

form£»¡¡with¡¡the¡¡frames¡¡to¡¡be¡¡carried¡¡completely¡¡round¡¡and¡¡forming

beams¡¡as¡¡well£»¡¡and¡¡the¡¡two¡¡screws£»¡¡one¡¡at¡¡each¡¡end£»¡¡worked¡¡off

the¡¡same¡¡power£»¡¡by¡¡which¡¡one¡¡or¡¡other¡¡of¡¡them¡¡would¡¡always¡¡be

immersed£»¡¡were¡¡worth¡¡registering¡¡in¡¡the¡¡Patent¡¡Office¡£¡¡¡¡I

therefore¡¡entered¡¡a¡¡caveat¡¡there£»¡¡and¡¡continued¡¡working¡¡at¡¡my

model¡¡in¡¡the¡¡evenings¡£¡¡¡¡I¡¡first¡¡made¡¡a¡¡wooden¡¡block¡¡model£»¡¡on¡¡the

scale¡¡of¡¡an¡¡inch¡¡to¡¡the¡¡foot¡£¡¡¡¡I¡¡had¡¡some¡¡difficulty¡¡in¡¡procuring

sheets¡¡of¡¡copper¡¡thin¡¡enough£»¡¡so¡¡that¡¡the¡¡model¡¡should¡¡draw¡¡only

the¡¡correct¡¡amount¡¡of¡¡water£»¡¡but¡¡at¡¡last¡¡I¡¡succeeded£»¡¡through

finding¡¡the¡¡man¡¡at¡¡Newcastle¡¡who¡¡had¡¡supplied¡¡my¡¡father¡¡with

copper¡¡plates¡¡for¡¡his¡¡early¡¡road¡¡locomotive¡£



The¡¡model¡¡was¡¡only¡¡32¡¡inches¡¡in¡¡length£»¡¡and¡¡8¡¡inches¡¡in¡¡beam£»¡¡and

in¡¡order¡¡to¡¡fix¡¡all¡¡the¡¡internal¡¡fittings£»¡¡of¡¡tanks£»¡¡seats£»¡¡crank

handles£»¡¡and¡¡pulleys£»¡¡I¡¡had¡¡first¡¡to¡¡fit¡¡the¡¡shell¡¡plating£»¡¡and

then£»¡¡by¡¡finally¡¡securing¡¡one¡¡strake¡¡of¡¡plates¡¡on£»¡¡and¡¡then

another£»¡¡after¡¡all¡¡inside¡¡was¡¡complete£»¡¡I¡¡at¡¡last¡¡finished¡¡for

good¡¡the¡¡last¡¡outside¡¡plate¡£¡¡¡¡In¡¡executing¡¡the¡¡job£»¡¡my¡¡early

experience¡¡of¡¡all¡¡sorts¡¡of¡¡handiwork¡¡came¡¡serviceably¡¡to¡¡my¡¡aid¡£¡¡

After¡¡many¡¡a¡¡whole¡¡night's¡¡workfor¡¡the¡¡evenings¡¡alone¡¡were¡¡not

sufficient¡¡for¡¡the¡¡purposeI¡¡at¡¡length¡¡completed¡¡my¡¡model£»¡¡and

triumphantly¡¡and¡¡confidently¡¡took¡¡it¡¡to¡¡sea¡¡in¡¡an¡¡open¡¡boat£»¡¡and

then¡¡cast¡¡it¡¡into¡¡the¡¡waves¡£¡¡¡¡The¡¡model¡¡either¡¡rode¡¡over¡¡them¡¡or

passed¡¡through¡¡them£»¡¡if¡¡it¡¡was¡¡sometimes¡¡rolled¡¡over£»¡¡it¡¡righted

itself¡¡at¡¡once£»¡¡and¡¡resumed¡¡its¡¡proper¡¡attitude¡¡in¡¡the¡¡waters¡£¡¡

After¡¡a¡¡considerable¡¡trial¡¡I¡¡found¡¡scarcely¡¡a¡¡trace¡¡of¡¡water

inside¡£¡¡¡¡Such¡¡as¡¡had¡¡got¡¡there¡¡was¡¡merely¡¡through¡¡the¡¡joints¡¡in

the¡¡sliding¡¡hatches£»¡¡though¡¡the¡¡ventilators¡¡were¡¡free¡¡to¡¡work

during¡¡the¡¡experiments¡£



I¡¡completed¡¡the¡¡prescribed¡¡drawings¡¡and¡¡specifications£»¡¡and¡¡sent

them£»¡¡together¡¡with¡¡the¡¡

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