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С˵£º industrial biography ×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£¡




strikes£»¡¡and¡¡they¡¡were¡¡frequently¡¡accustomed¡¡to¡¡turn¡¡out¡¡in¡¡times

when¡¡trade¡¡was¡¡brisk£»¡¡thereby¡¡bringing¡¡the¡¡whole¡¡operations¡¡of¡¡the

manufactories¡¡to¡¡a¡¡standstill£»¡¡and¡¡throwing¡¡all¡¡the¡¡other¡¡operatives

out¡¡of¡¡employment¡£¡¡¡¡A¡¡long¡­continued¡¡strike¡¡of¡¡this¡¡sort¡¡took¡¡place¡¡in

1824£»¡¡when¡¡the¡¡idea¡¡occurred¡¡to¡¡the¡¡masters¡¡that¡¡it¡¡might¡¡be¡¡possible

to¡¡make¡¡the¡¡spinning¡­mules¡¡run¡¡out¡¡and¡¡in¡¡at¡¡the¡¡proper¡¡speed¡¡by

means¡¡of¡¡self¡­acting¡¡machinery£»¡¡and¡¡thus¡¡render¡¡them¡¡in¡¡some¡¡measure

independent¡¡of¡¡the¡¡more¡¡refractory¡¡class¡¡of¡¡their¡¡workmen¡£¡¡¡¡It¡¡seemed£»

however£»¡¡to¡¡be¡¡so¡¡very¡¡difficult¡¡a¡¡problem£»¡¡that¡¡they¡¡were¡¡by¡¡no

means¡¡sanguine¡¡of¡¡success¡¡in¡¡its¡¡solution¡£¡¡¡¡Some¡¡time¡¡passed¡¡before

they¡¡could¡¡find¡¡any¡¡mechanic¡¡willing¡¡so¡¡much¡¡as¡¡to¡¡consider¡¡the

subject¡£¡¡¡¡Mr¡£¡¡Ashton¡¡of¡¡Staley¡­bridge¡¡made¡¡every¡¡effort¡¡with¡¡this

object£»¡¡but¡¡the¡¡answer¡¡he¡¡got¡¡was¡¡uniformly¡¡the¡¡same¡£¡¡¡¡The¡¡thing¡¡was

declared¡¡to¡¡be¡¡impracticable¡¡and¡¡impossible¡£¡¡¡¡Mr¡£¡¡Ashton£»¡¡accompanied

by¡¡two¡¡other¡¡leading¡¡spinners£»¡¡called¡¡on¡¡Sharp£»¡¡Roberts£»¡¡and¡¡Co¡££»¡¡to

seek¡¡an¡¡interview¡¡with¡¡Mr¡£¡¡Roberts¡£¡¡¡¡They¡¡introduced¡¡the¡¡subject¡¡to

him£»¡¡but¡¡he¡¡would¡¡scarcely¡¡listen¡¡to¡¡their¡¡explanations£»¡¡cutting¡¡them

short¡¡with¡¡the¡¡remark¡¡that¡¡he¡¡knew¡¡nothing¡¡whatever¡¡about

cotton¡­spinning¡£¡¡¡¡They¡¡insisted£»¡¡nevertheless£»¡¡on¡¡explaining¡¡to¡¡him

what¡¡they¡¡required£»¡¡but¡¡they¡¡went¡¡away¡¡without¡¡being¡¡able¡¡to¡¡obtain

from¡¡him¡¡any¡¡promise¡¡of¡¡assistance¡¡in¡¡bringing¡¡out¡¡the¡¡required

machine¡£



The¡¡strike¡¡continued£»¡¡and¡¡the¡¡manufacturers¡¡again¡¡called¡¡upon¡¡Mr¡£

Roberts£»¡¡but¡¡with¡¡no¡¡better¡¡result¡£¡¡¡¡A¡¡third¡¡time¡¡they¡¡called¡¡and

appealed¡¡to¡¡Mr¡£¡¡Sharp£»¡¡the¡¡capitalist¡¡of¡¡the¡¡firm£»¡¡who¡¡promised¡¡to

use¡¡his¡¡best¡¡endeavours¡¡to¡¡induce¡¡his¡¡mechanical¡¡partner¡¡to¡¡take¡¡the

matter¡¡in¡¡hand¡£¡¡¡¡But¡¡Mr¡£¡¡Roberts£»¡¡notwithstanding¡¡his¡¡reticence£»¡¡had

been¡¡occupied¡¡in¡¡carefully¡¡pondering¡¡the¡¡subject¡¡since¡¡Mr¡£¡¡Ashton's

first¡¡interview¡¡with¡¡him¡£¡¡¡¡The¡¡very¡¡difficulty¡¡of¡¡the¡¡problem¡¡to¡¡be

solved¡¡had¡¡tempted¡¡him¡¡boldly¡¡to¡¡grapple¡¡with¡¡it£»¡¡though¡¡he¡¡would¡¡not

hold¡¡out¡¡the¡¡slightest¡¡expectation¡¡to¡¡the¡¡cotton¡­spinners¡¡of¡¡his

being¡¡able¡¡to¡¡help¡¡them¡¡in¡¡their¡¡emergency¡¡until¡¡he¡¡saw¡¡his¡¡way

perfectly¡¡clear¡£¡¡¡¡That¡¡time¡¡had¡¡now¡¡come£»¡¡and¡¡when¡¡Mr¡£¡¡Sharp

introduced¡¡the¡¡subject£»¡¡he¡¡said¡¡he¡¡had¡¡turned¡¡the¡¡matter¡¡over¡¡and

thought¡¡he¡¡could¡¡construct¡¡the¡¡required¡¡self¡­acting¡¡machinery¡£¡¡¡¡It¡¡was

arranged¡¡that¡¡he¡¡should¡¡proceed¡¡with¡¡it¡¡at¡¡once£»¡¡and¡¡after¡¡a¡¡close

study¡¡of¡¡four¡¡months¡¡he¡¡brought¡¡out¡¡the¡¡machine¡¡now¡¡so¡¡extensively

known¡¡as¡¡the¡¡self¡­acting¡¡mule¡£¡¡¡¡The¡¡invention¡¡was¡¡patented¡¡in¡¡1825£»

and¡¡was¡¡perfected¡¡by¡¡subsequent¡¡additions£»¡¡which¡¡were¡¡also¡¡patented¡£



Like¡¡so¡¡many¡¡other¡¡inventions£»¡¡the¡¡idea¡¡of¡¡the¡¡self¡­acting¡¡mule¡¡was

not¡¡new¡£¡¡¡¡Thus¡¡Mr¡£¡¡William¡¡Strutt¡¡of¡¡Derby£»¡¡the¡¡father¡¡of¡¡Lord¡¡Belper£»

invented¡¡a¡¡machine¡¡of¡¡this¡¡sort¡¡at¡¡an¡¡early¡¡period£»¡¡Mr¡£¡¡William

Belly£»¡¡of¡¡the¡¡New¡¡Lanark¡¡Mills£»¡¡invented¡¡a¡¡second£»¡¡and¡¡various¡¡other

projectors¡¡tried¡¡their¡¡skill¡¡in¡¡the¡¡same¡¡direction£»¡¡but¡¡none¡¡of¡¡these

inventions¡¡came¡¡into¡¡practical¡¡use¡£¡¡¡¡In¡¡such¡¡cases¡¡it¡¡has¡¡become

generally¡¡admitted¡¡that¡¡the¡¡real¡¡inventor¡¡is¡¡not¡¡the¡¡person¡¡who

suggests¡¡the¡¡idea¡¡of¡¡the¡¡invention£»¡¡but¡¡he¡¡who¡¡first¡¡works¡¡it¡¡out

into¡¡a¡¡practicable¡¡process£»¡¡and¡¡so¡¡makes¡¡it¡¡of¡¡practical¡¡and

commercial¡¡value¡£¡¡¡¡This¡¡was¡¡accomplished¡¡by¡¡Mr¡£¡¡Roberts£»¡¡who£»¡¡working

out¡¡the¡¡idea¡¡after¡¡his¡¡own¡¡independent¡¡methods£»¡¡succeeded¡¡in¡¡making

the¡¡first¡¡self¡­acting¡¡mule¡¡that¡¡would¡¡really¡¡act¡¡as¡¡such£»¡¡and¡¡he¡¡is

therefore¡¡fairly¡¡entitled¡¡to¡¡be¡¡regarded¡¡as¡¡its¡¡inventor¡£



By¡¡means¡¡of¡¡this¡¡beautiful¡¡contrivance£»¡¡spindle¡­carriages£»¡¡bearing

hundreds¡¡of¡¡spindles£»¡¡run¡¡themselves¡¡out¡¡and¡¡in¡¡by¡¡means¡¡of¡¡automatic

machinery£»¡¡at¡¡the¡¡proper¡¡speed£»¡¡without¡¡a¡¡hand¡¡touching¡¡them£»¡¡the

only¡¡labour¡¡required¡¡being¡¡that¡¡of¡¡a¡¡few¡¡boys¡¡and¡¡girls¡¡to¡¡watch¡¡them

and¡¡mend¡¡the¡¡broken¡¡threads¡¡when¡¡the¡¡carriage¡¡recedes¡¡from¡¡the¡¡roller

beam£»¡¡and¡¡to¡¡stop¡¡it¡¡when¡¡the¡¡cop¡¡is¡¡completely¡¡formed£»¡¡as¡¡is

indicated¡¡by¡¡the¡¡bell¡¡of¡¡the¡¡counter¡¡attached¡¡to¡¡the¡¡working¡¡gear¡£

Mr¡£¡¡Baines¡¡describes¡¡the¡¡self¡­acting¡¡mule¡¡while¡¡at¡¡work¡¡as¡¡¡¨drawing

out£»¡¡twisting£»¡¡and¡¡winding¡¡up¡¡many¡¡thousand¡¡threads£»¡¡with¡¡unfailing

precision¡¡and¡¡indefatigable¡¡patience¡¡and¡¡strengtha¡¡scene¡¡as¡¡magical

to¡¡the¡¡eye¡¡which¡¡is¡¡not¡¡familiarized¡¡with¡¡it£»¡¡as¡¡the¡¡effects¡¡have

been¡¡marvellous¡¡in¡¡augmenting¡¡the¡¡wealth¡¡and¡¡population¡¡of¡¡the

country¡£¡¨*

¡¡£§footnote¡£¡£¡£

EDWARD¡¡BAINES£»¡¡Esq¡££»¡¡M¡£P¡££»¡¡History¡¡of¡¡the¡¡Cotton¡¡Manufacture£»¡¡212¡£

¡¡¡£¡£¡££§



Mr¡£¡¡Roberts's¡¡great¡¡success¡¡with¡¡the¡¡self¡­acting¡¡mule¡¡led¡¡to¡¡his

being¡¡often¡¡appealed¡¡to¡¡for¡¡help¡¡in¡¡the¡¡mechanics¡¡of¡¡manufacturing¡£

In¡¡1826£»¡¡the¡¡year¡¡after¡¡his¡¡patent¡¡was¡¡taken¡¡out£»¡¡he¡¡was¡¡sent¡¡for¡¡to

Mulhouse£»¡¡in¡¡Alsace£»¡¡to¡¡design¡¡and¡¡arrange¡¡the¡¡machine¡¡establishment

of¡¡Andre¡¡Koechlin¡¡and¡¡Co¡££»¡¡and¡¡in¡¡that¡¡and¡¡the¡¡two¡¡subsequent¡¡years

he¡¡fairly¡¡set¡¡the¡¡works¡¡a¡­going£»¡¡instructing¡¡the¡¡workmen¡¡in¡¡the

manufacture¡¡of¡¡spinning¡­machinery£»¡¡and¡¡thus¡¡contributing¡¡largely¡¡to

the¡¡success¡¡of¡¡the¡¡French¡¡cotton¡¡manufacture¡£¡¡¡¡In¡¡1832¡¡he¡¡patented¡¡his

invention¡¡of¡¡the¡¡Radial¡¡Arm¡¡for¡¡¡¨winding¡¡on¡¨¡¡in¡¡the¡¡self¡­acting¡¡mule£»

now¡¡in¡¡general¡¡use£»¡¡and¡¡in¡¡future¡¡years¡¡he¡¡took¡¡out¡¡sundry¡¡patents

for¡¡roving£»¡¡slubbing£»¡¡spinning£»¡¡and¡¡doubling¡¡cotton¡¡and¡¡other¡¡fibrous

materials£»¡¡and¡¡for¡¡weaving£»¡¡beetling£»¡¡and¡¡mangling¡¡fabrics¡¡of¡¡various

sorts¡£



A¡¡considerable¡¡branch¡¡of¡¡business¡¡carried¡¡on¡¡by¡¡the¡¡firm¡¡of¡¡Sharp£»

Roberts£»¡¡and¡¡Co¡£¡¡¡¡was¡¡the¡¡manufacture¡¡of¡¡iron¡¡billiard¡­tables£»¡¡which

were¡¡constructed¡¡with¡¡almost¡¡perfect¡¡truth¡¡by¡¡means¡¡of¡¡Mr¡£¡¡Roberts's

planing¡­machine£»¡¡and¡¡became¡¡a¡¡large¡¡article¡¡of¡¡export¡£¡¡¡¡But¡¡a¡¡much

more¡¡important¡¡and¡¡remunerative¡¡department¡¡was¡¡the¡¡manufacture¡¡of

locomotives£»¡¡which¡¡was¡¡begun¡¡by¡¡the¡¡firm¡¡shortly¡¡after¡¡the¡¡opening¡¡of

the¡¡Liverpool¡¡and¡¡Manchester¡¡Railway¡¡had¡¡marked¡¡this¡¡as¡¡one¡¡of¡¡the

chief¡¡branches¡¡of¡¡future¡¡mechanical¡¡engineering¡£¡¡¡¡Mr¡£¡¡Roberts¡¡adroitly

seized¡¡the¡¡opportunity¡¡presented¡¡by¡¡this¡¡new¡¡field¡¡of¡¡invention¡¡and

enterprise£»¡¡and¡¡devoted¡¡himself¡¡for¡¡a¡¡time¡¡to¡¡the¡¡careful¡¡study¡¡of

the¡¡locomotive¡¡and¡¡its¡¡powers¡£¡¡¡¡As¡¡early¡¡as¡¡the¡¡year¡¡1829¡¡we¡¡find¡¡him

presenting¡¡to¡¡the¡¡Manchester¡¡Mechanics'¡¡Institute¡¡a¡¡machine

exhibiting¡¡the¡¡nature¡¡of¡¡friction¡¡upon¡¡railroads£»¡¡in¡¡solution¡¡of¡¡the

problem¡¡then¡¡under¡¡discussion¡¡in¡¡the¡¡scientific¡¡journals¡£¡¡¡¡In¡¡the

following¡¡year¡¡he¡¡patented¡¡an¡¡arrangement¡¡for¡¡communicating¡¡power¡¡to

both¡¡driving¡­wheels¡¡of¡¡the¡¡locomotive£»¡¡at¡¡all¡¡times¡¡in¡¡the¡¡exact

proportions¡¡required¡¡when¡¡turning¡¡to¡¡the¡¡right¡¡or¡¡left£»an

arrangement¡¡which¡¡has¡¡since¡¡been¡¡adopted¡¡in¡¡many¡¡road¡¡locomotives¡¡and

agricultural¡¡engines¡£¡¡¡¡In¡¡the¡¡same¡¡patent¡¡will¡¡be¡¡found¡¡embodied¡¡his

invention¡¡of¡¡the¡¡steam¡­brake£»¡¡which¡¡was¡¡also¡¡a¡¡favourite¡¡idea¡¡of

George¡¡Stephenson£»¡¡since¡¡elaborated¡¡by¡¡Mr¡£¡¡MacConnell¡¡of¡¡the¡¡London

and¡¡North¡­Western¡¡Railway¡£¡¡¡¡In¡¡1834£»¡¡Sharp£»¡¡Roberts£»¡¡and¡¡Co¡£¡¡¡¡began¡¡the

manufacture¡¡of¡¡locomotives¡¡on¡¡a¡¡large¡¡scale£»¡¡and¡¡the¡¡compactness¡¡of

their¡¡engines£»¡¡the¡¡excellence¡¡of¡¡their¡¡workmanship£»¡¡and¡¡the¡¡numerous

original¡¡improvements¡¡introduced¡¡in¡¡them£»¡¡speedily¡¡secured¡¡for¡¡the

engines¡¡of¡¡the¡¡Atlas¡¡firm¡¡a¡¡high¡¡reputation¡¡and¡¡a¡¡very¡¡large¡¡demand¡£

Among¡¡Mr¡£¡¡Roberts's¡¡improvements¡¡may¡¡be¡¡mentioned¡¡his¡¡method¡¡of

manufacturing¡¡the¡¡crank¡¡axle£»¡¡of¡¡welding¡¡the¡¡rim¡¡and¡¡tyres¡¡of¡¡the

wheels£»¡¡and¡¡his¡¡arrangement¡¡and¡¡form¡¡of¡¡the¡¡wrought¡­iron¡¡framing¡¡and

axle¡­guards¡£¡¡¡¡His¡¡system¡¡of¡¡templets¡¡and¡¡gauges£»¡¡by¡¡means¡¡of¡¡which

every¡¡part¡¡of¡¡an¡¡engine¡¡or¡¡tender¡¡corresponded¡¡with¡¡that¡¡of¡¡every

other¡¡engine¡¡or¡¡tender¡¡of¡¡the¡¡same¡¡class£»¡¡was¡¡as¡¡great¡¡an¡¡improvement

as¡¡Maudslay's¡¡system¡¡of¡¡uniformity¡¡of¡¡parts¡¡in¡¡other¡¡descriptions¡¡of

machinery¡£



In¡¡connection¡¡with¡¡the¡¡subject¡¡of¡¡railways£»¡¡we¡¡may¡¡allude¡¡in¡¡passing

to¡¡Mr¡£¡¡Roberts's¡¡invention¡¡of¡¡the¡¡Jacquard¡¡punching¡¡machinea

self¡­acting¡¡tool¡¡of¡¡great¡¡power£»¡¡used¡¡for¡¡punching¡¡any¡¡required

number¡¡of¡¡holes£»¡¡of¡¡any¡¡pitch¡¡and¡¡to¡¡any¡¡pattern£»¡¡with¡¡mathematical

accuracy£»¡¡in¡¡bridge¡¡or¡¡boiler¡¡plates¡£¡¡¡¡The¡¡origin¡¡of¡¡this¡¡invention

was¡¡somewhat¡¡similar¡¡to¡¡that¡¡of¡¡the¡¡self¡­acting¡¡mule¡£¡¡¡¡The¡¡contractors

for¡¡the¡¡Conway¡¡Tubular¡¡Bridge¡¡while¡¡under¡¡construction£»¡¡in¡¡1848£»¡¡were

greatly¡¡hampered¡¡by¡¡combinations¡¡amongst¡¡the¡¡workmen£»¡¡and¡¡they

despaired¡¡of¡¡being¡¡able¡¡to¡¡finish¡¡the¡¡girders¡¡within¡¡the¡¡time

specified¡¡in¡¡the¡¡contract¡£¡¡¡¡The¡¡punching¡¡of¡¡the¡¡iron¡¡plates¡¡by¡¡hand

was¡¡a¡¡tedious¡¡and¡¡expensive¡¡as¡¡well¡¡as¡¡an¡¡inaccurate¡¡process£»¡¡and¡¡the

work¡¡was¡¡proceeding¡¡so¡¡slowly¡¡that¡¡the¡¡contractors¡¡found¡¡it

absolutely¡¡necessary¡¡to¡¡adopt¡¡some¡¡new¡¡method¡¡of¡¡punching¡¡if¡¡they

were¡¡to¡¡finish¡¡the¡¡work¡¡in¡¡time¡£¡¡¡¡In¡¡their¡¡emergency¡¡they¡¡appealed¡¡to

Mr¡£¡¡Roberts£»¡¡and¡¡endeavoured¡¡to¡¡persuade¡¡him¡¡to¡¡take¡¡the¡¡matter¡¡up¡£

He¡¡at¡¡length¡¡consented¡¡to¡¡do¡¡so£»¡¡and¡¡evolved¡¡the¡¡machine¡¡in¡¡question

during¡¡his¡¡evening's¡¡leisurefor¡¡the¡¡most¡¡part¡¡while¡¡quietly¡¡sipping

his¡¡tea¡£¡¡¡¡The¡¡machine¡¡was¡¡produced£»¡¡the¡¡contractors¡¡were¡¡enabled¡¡to

proceed¡¡with¡¡the¡¡punching¡¡of¡¡the¡¡plates¡¡independent¡¡of¡¡the¡¡refractory

men£»¡¡and¡¡the¡¡work¡¡was¡¡executed¡¡with¡¡a¡¡despatch£»¡¡accuracy£»¡¡and

excellence¡¡that¡¡would¡¡not¡¡otherwise¡¡have¡¡been¡¡possible¡£¡¡¡¡Only¡¡a¡¡few

years¡¡since¡¡Mr¡£¡¡Roberts¡¡added¡¡a¡¡useful¡¡companion¡¡to¡¡the¡¡Jacquard

punching¡¡machine£»¡¡in¡¡his¡¡combined¡¡self¡­acting¡¡machine¡¡for¡¡shearing

iron¡¡and¡¡punching¡¡both¡¡webs¡¡of¡¡angle¡¡or¡¡T¡¡iron¡¡simultaneously¡¡to¡¡any

required¡¡pitch£»¡¡though¡¡this¡¡machine£»¡¡like¡¡others¡¡which¡¡have¡¡proceeded

from¡¡his¡¡fertile¡¡brain£»¡¡is¡¡ahead¡¡even¡¡of¡¡this¡¡fast¡­manufacturing¡¡age£»

and¡¡has¡¡not¡¡yet¡¡come¡¡into¡¡general¡¡use£»¡¡but¡¡is¡¡certain¡¡to¡¡do¡¡so¡¡before

many¡¡years¡¡have¡¡elapsed¡£



These¡¡inventions¡¡were¡¡surely¡¡enough¡¡for¡¡one¡¡man¡¡to¡¡have¡¡accomplished£»

but¡¡we¡¡have¡¡not¡¡yet¡¡done¡£¡¡¡¡The¡¡mere¡¡enumeration¡¡of¡¡his¡¡other

inventions¡¡would¡¡occupy¡¡several¡¡pages¡£¡¡¡¡We¡¡shall¡¡merely¡¡allude¡¡to¡¡a

few¡¡of¡¡them¡£¡¡¡¡One¡¡was¡¡his¡¡Turret¡¡Clock£»¡¡for¡¡which¡¡he¡¡obtained¡¡the

medal¡¡at¡¡the¡¡Great¡¡Exhibition¡¡of¡¡1851¡£¡¡¡¡Another¡¡was¡¡his¡¡Prize

Electro¡­Magnet¡¡of¡¡1845¡£¡¡¡¡When¡¡this¡¡subject¡¡was¡¡first¡¡mentioned¡¡to¡¡him£»

he¡¡said¡¡he¡¡did¡¡not¡¡know¡¡anything¡¡of¡¡the¡¡theory¡¡or¡¡practice¡¡of

electro¡­magnetism£»¡¡but¡¡he¡¡would¡¡try¡¡and¡¡find¡¡out¡£¡¡¡¡The¡¡result¡¡of¡¡his

trying¡¡was¡¡that¡¡he¡¡won¡¡the¡¡prize¡¡for¡¡the¡¡most¡¡powerful

electro¡­magnet£º¡¡¡¡one¡¡is¡¡placed¡¡in¡¡the¡¡museum¡¡at¡¡Peel¡¡Park£»¡¡Manchester£»

and¡¡another¡¡with¡¡the¡¡Scottish¡¡Society¡¡of¡¡Arts£»¡¡Edinburgh¡£¡¡¡¡In¡¡1846¡¡he

perfected¡¡an¡¡American¡¡invention¡¡for¡¡making¡¡cigars¡¡by¡¡machinery£»

enabling¡¡a¡¡boy£»¡¡working¡¡one¡¡of¡¡his¡¡cigar¡­engines£»¡¡to¡¡make¡¡as¡¡many¡¡as

5000¡¡in¡¡a¡¡day¡£¡¡¡¡In¡¡1852¡¡he¡¡patented¡¡improvements¡¡in¡¡the¡¡construction£»

propelling£»¡¡and¡¡equipment¡¡of¡¡steamships£»¡¡which¡¡have£»¡¡we¡¡believe£»¡¡been

adopted¡¡to¡¡a¡¡certain¡¡extent¡¡by¡¡the¡¡Admiralty£»¡¡and¡¡a¡¡few¡¡years¡¡later£»

in¡¡1855£»¡¡we¡¡find¡¡him¡¡presenting¡¡the¡¡Secretary¡¡of¡¡War¡¡with¡¡plans¡¡of

elongated¡¡rifle¡¡projectiles¡¡to¡¡be¡¡used¡¡in¡¡smooth¡­bore¡¡ordnance¡¡with¡¡a

view¡¡to¡¡utilize¡¡the¡¡old¡­pattern¡¡gun¡£¡¡¡¡His¡¡head£»¡¡like¡¡many¡¡inventors¡¡of

the¡¡time£»¡¡being¡¡full¡¡of¡¡the¡¡mechanics¡¡of¡¡war£»¡¡he¡¡went¡¡so¡¡far¡¡as¡¡to

wait¡¡upon¡¡Louis¡¡Napoleon£»¡¡and¡¡laid¡¡before¡¡him¡¡a¡¡plan¡¡by¡¡which

Sebastopol¡¡was¡¡to¡¡be¡¡blown¡¡down¡£¡¡¡¡In¡¡short£»¡¡upon¡¡whatever¡¡subject¡¡he

turned¡¡his¡¡mind£»¡¡he¡¡left¡¡the¡¡impress¡¡of¡¡his¡¡inventive¡¡faculty¡£¡¡¡¡If¡¡it

was¡¡imperfect£»¡¡he¡¡improved¡¡it£»¡¡if¡¡incapable¡¡of¡¡improvement£»¡¡a

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