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¡ª¡ª¡ª¡ªÎ´ÔĶÁÍꣿ¼ÓÈëÊéÇ©ÒѱãÏ´μÌÐøÔĶÁ£¡
of¡¡practising¡¡his¡¡profession¡£¡¡¡¡Birmingham¡¡was¡¡then¡¡a¡¡principal¡¡seat¡¡of
the¡¡metal¡¡manufacture£»¡¡and¡¡its¡¡mechanics¡¡were¡¡reputed¡¡to¡¡be¡¡among¡¡the
most¡¡skilled¡¡in¡¡Britain¡£¡¡¡¡Dr¡£¡¡Roebuck's¡¡attention¡¡was¡¡early¡¡drawn¡¡to
the¡¡scarcity¡¡and¡¡dearness¡¡of¡¡the¡¡material¡¡in¡¡which¡¡the¡¡mechanics
worked£»¡¡and¡¡he¡¡sought¡¡by¡¡experiment¡¡to¡¡devise¡¡some¡¡method¡¡of¡¡smelting
iron¡¡otherwise¡¡than¡¡by¡¡means¡¡of¡¡charcoal¡£¡¡¡¡He¡¡had¡¡a¡¡laboratory¡¡fitted
up¡¡in¡¡his¡¡house¡¡for¡¡the¡¡purpose¡¡of¡¡prosecuting¡¡his¡¡inquiries£»¡¡and
there¡¡he¡¡spent¡¡every¡¡minute¡¡that¡¡he¡¡could¡¡spare¡¡from¡¡his¡¡professional
labours¡£¡¡¡¡It¡¡was¡¡thus¡¡that¡¡he¡¡invented¡¡the¡¡process¡¡of¡¡smelting¡¡iron¡¡by
means¡¡of¡¡pit¡coal¡¡which¡¡he¡¡afterwards¡¡embodied¡¡in¡¡the¡¡patent
hereafter¡¡to¡¡be¡¡referred¡¡to¡£¡¡¡¡At¡¡the¡¡same¡¡time¡¡he¡¡invented¡¡new¡¡methods
of¡¡refining¡¡gold¡¡and¡¡silver£»¡¡and¡¡of¡¡employing¡¡them¡¡in¡¡the¡¡arts£»¡¡which
proved¡¡of¡¡great¡¡practical¡¡value¡¡to¡¡the¡¡Birmingham¡¡trades¡men£»¡¡who
made¡¡extensive¡¡use¡¡of¡¡them¡¡in¡¡their¡¡various¡¡processes¡¡of¡¡manufacture¡£
Dr¡£¡¡Roebuck's¡¡inquiries¡¡had¡¡an¡¡almost¡¡exclusively¡¡practical
direction£»¡¡and¡¡in¡¡pursuing¡¡them¡¡his¡¡main¡¡object¡¡was¡¡to¡¡render¡¡them
subservient¡¡to¡¡the¡¡improvement¡¡of¡¡the¡¡industrial¡¡arts¡£¡¡¡¡Thus¡¡he¡¡sought
to¡¡devise¡¡more¡¡economical¡¡methods¡¡of¡¡producing¡¡the¡¡various¡¡chemicals
used¡¡in¡¡the¡¡Birmingham¡¡trade£»¡¡such¡¡as¡¡ammonia£»¡¡sublimate£»¡¡and¡¡several
of¡¡the¡¡acids£»¡¡and¡¡his¡¡success¡¡was¡¡such¡¡as¡¡to¡¡induce¡¡him¡¡to¡¡erect¡¡a
large¡¡laboratory¡¡for¡¡their¡¡manufacture£»¡¡which¡¡was¡¡conducted¡¡with
complete¡¡success¡¡by¡¡his¡¡friend¡¡Mr¡£¡¡Garbett¡£¡¡¡¡Among¡¡his¡¡inventions¡¡of
this¡¡character£»¡¡was¡¡the¡¡modern¡¡process¡¡of¡¡manufacturing¡¡vitriolic
acid¡¡in¡¡leaden¡¡vessels¡¡in¡¡large¡¡quantities£»¡¡instead¡¡of¡¡in¡¡glass
vessels¡¡in¡¡small¡¡quantities¡¡as¡¡formerly¡¡practised¡£¡¡¡¡His¡¡success¡¡led
him¡¡to¡¡consider¡¡the¡¡project¡¡of¡¡establishing¡¡a¡¡manufactory¡¡for¡¡the
purpose¡¡of¡¡producing¡¡oil¡¡of¡¡vitriol¡¡on¡¡a¡¡large¡¡scale£»¡¡and£»¡¡having
given¡¡up¡¡his¡¡practice¡¡as¡¡a¡¡physician£»¡¡he¡¡resolved£»¡¡with¡¡his¡¡partner
Mr¡£¡¡Garbett£»¡¡to¡¡establish¡¡the¡¡proposed¡¡works¡¡in¡¡the¡¡neighbourhood¡¡of
Edinburgh¡£¡¡¡¡He¡¡removed¡¡to¡¡Scotland¡¡with¡¡that¡¡object£»¡¡and¡¡began¡¡the
manufacture¡¡of¡¡vitriol¡¡at¡¡Prestonpans¡¡in¡¡the¡¡year¡¡1749¡£¡¡¡¡The
enterprise¡¡proved¡¡eminently¡¡lucrative£»¡¡and£»¡¡encouraged¡¡by¡¡his
success£»¡¡Roebuck¡¡proceeded¡¡to¡¡strike¡¡out¡¡new¡¡branches¡¡of¡¡manufacture¡£
He¡¡started¡¡a¡¡pottery¡¡for¡¡making¡¡white¡¡and¡¡brown¡¡ware£»¡¡which
eventually¡¡became¡¡established£»¡¡and¡¡the¡¡manufacture¡¡exists¡¡in¡¡the¡¡same
neighbourhood¡¡to¡¡this¡¡day¡£
The¡¡next¡¡enterprise¡¡in¡¡which¡¡he¡¡became¡¡engaged¡¡was¡¡one¡¡of¡¡still
greater¡¡importance£»¡¡though¡¡it¡¡proved¡¡eminently¡¡unfortunate¡¡in¡¡its
results¡¡as¡¡concerned¡¡himself¡£¡¡¡¡While¡¡living¡¡at¡¡Prestonpans£»¡¡he¡¡made
the¡¡friendship¡¡of¡¡Mr¡£¡¡William¡¡Cadell£»¡¡of¡¡Cockenzie£»¡¡a¡¡gentleman¡¡who
had¡¡for¡¡some¡¡time¡¡been¡¡earnestly¡¡intent¡¡on¡¡developing¡¡the¡¡industry¡¡of
Scotland£»¡¡then¡¡in¡¡a¡¡very¡¡backward¡¡condition¡£¡¡¡¡Mr¡£¡¡Cadell¡¡had¡¡tried£»
without¡¡success£»¡¡to¡¡establish¡¡a¡¡manufactory¡¡of¡¡iron£»¡¡and£»¡¡though¡¡he
had¡¡heretofore¡¡failed£»¡¡he¡¡hoped¡¡that¡¡with¡¡the¡¡aid¡¡of¡¡Dr¡£¡¡Roebuck¡¡he
might¡¡yet¡¡succeed¡£¡¡¡¡The¡¡Doctor¡¡listened¡¡to¡¡his¡¡suggestions¡¡with
interest£»¡¡and¡¡embraced¡¡the¡¡proposed¡¡enterprise¡¡with¡¡zeal¡£¡¡¡¡He
immediately¡¡proceeded¡¡to¡¡organize¡¡a¡¡company£»¡¡in¡¡which¡¡he¡¡was¡¡joined
by¡¡a¡¡number¡¡of¡¡his¡¡friends¡¡and¡¡relatives¡£¡¡¡¡His¡¡next¡¡step¡¡was¡¡to¡¡select
a¡¡site¡¡for¡¡the¡¡intended¡¡works£»¡¡and¡¡make¡¡the¡¡necessary¡¡arrangements
for¡¡beginning¡¡the¡¡manufacture¡¡of¡¡iron¡£¡¡¡¡After¡¡carefully¡¡examining¡¡the
country¡¡on¡¡both¡¡sides¡¡of¡¡the¡¡Forth£»¡¡he¡¡at¡¡length¡¡made¡¡choice¡¡of¡¡a
site¡¡on¡¡the¡¡banks¡¡of¡¡the¡¡river¡¡Carron£»¡¡in¡¡Stirlingshire£»¡¡where¡¡there
was¡¡an¡¡abundant¡¡supply¡¡of¡¡wafer£»¡¡and¡¡an¡¡inexhaustible¡¡supply¡¡of¡¡iron£»
coal£»¡¡and¡¡limestone¡¡in¡¡the¡¡immediate¡¡neighbourhood£»¡¡and¡¡there¡¡Dr¡£
Roebuck¡¡planted¡¡the¡¡first¡¡ironworks¡¡in¡¡Scotland£»
In¡¡order¡¡to¡¡carry¡¡them¡¡on¡¡with¡¡the¡¡best¡¡chances¡¡of¡¡success£»¡¡he
brought¡¡a¡¡large¡¡number¡¡of¡¡skilled¡¡workmen¡¡from¡¡England£»¡¡who¡¡formed¡¡a
nucleus¡¡of¡¡industry¡¡at¡¡Carron£»¡¡where¡¡their¡¡example¡¡and¡¡improved
methods¡¡of¡¡working¡¡served¡¡to¡¡train¡¡the¡¡native¡¡labourers¡¡in¡¡their¡¡art¡£
At¡¡a¡¡subsequent¡¡period£»¡¡Mr¡£¡¡Cadell£»¡¡of¡¡Carronpark£»¡¡also¡¡brought¡¡a
number¡¡of¡¡skilled¡¡English¡¡nail¡makers¡¡into¡¡Scotland£»¡¡and¡¡settled¡¡them
in¡¡the¡¡village¡¡of¡¡Camelon£»¡¡where£»¡¡by¡¡teaching¡¡others£»¡¡the¡¡business
has¡¡become¡¡handed¡¡down¡¡to¡¡the¡¡present¡¡day¡£
The¡¡first¡¡furnace¡¡was¡¡blown¡¡at¡¡Carron¡¡on¡¡the¡¡first¡¡day¡¡of¡¡January£»
1760£»¡¡and¡¡in¡¡the¡¡course¡¡of¡¡the¡¡same¡¡year¡¡the¡¡Carron¡¡Iron¡¡Works¡¡turned
out¡¡1500¡¡tons¡¡of¡¡iron£»¡¡then¡¡the¡¡whole¡¡annual¡¡produce¡¡of¡¡Scotland¡£
Other¡¡furnaces¡¡were¡¡shortly¡¡after¡¡erected¡¡on¡¡improved¡¡plans£»¡¡and¡¡the
production¡¡steadily¡¡increased¡£¡¡¡¡Dr¡£¡¡Roebuck¡¡was¡¡indefatigable¡¡in¡¡his
endeavours¡¡to¡¡improve¡¡the¡¡manufacture£»¡¡and¡¡he¡¡was¡¡one¡¡of¡¡the¡¡first£»
as¡¡we¡¡have¡¡said£»¡¡to¡¡revive¡¡the¡¡use¡¡of¡¡pit¡coal¡¡in¡¡refining¡¡the¡¡ore£»
as¡¡appears¡¡from¡¡his¡¡patent¡¡of¡¡1762¡£¡¡¡¡He¡¡there¡¡describes¡¡his¡¡new
process¡¡as¡¡follows£º¡¡¡¡¡¡¡¨I¡¡melt¡¡pig¡¡or¡¡any¡¡kind¡¡of¡¡cast¡iron¡¡in¡¡a
hearth¡¡heated¡¡with¡¡pit¡coal¡¡by¡¡the¡¡blast¡¡of¡¡bellows£»¡¡and¡¡work¡¡the
metal¡¡until¡¡it¡¡is¡¡reduced¡¡to¡¡nature£»¡¡which¡¡I¡¡take¡¡out¡¡of¡¡the¡¡fire¡¡and
separate¡¡to¡¡pieces£»¡¡then¡¡I¡¡take¡¡the¡¡metal¡¡thus¡¡reduced¡¡to¡¡nature¡¡and
expose¡¡it¡¡to¡¡the¡¡action¡¡of¡¡a¡¡hollow¡¡pit¡coal¡¡fire£»¡¡heated¡¡by¡¡the
blast¡¡of¡¡bellows£»¡¡until¡¡it¡¡is¡¡reduced¡¡to¡¡a¡¡loop£»¡¡which¡¡I¡¡draw¡¡out
under¡¡a¡¡common¡¡forge¡¡hammer¡¡into¡¡bar¡iron¡£¡¨¡¡¡¡This¡¡method¡¡of
manufacture¡¡was¡¡followed¡¡with¡¡success£»¡¡though¡¡for¡¡some¡¡time£»¡¡as
indeed¡¡to¡¡this¡¡day£»¡¡the¡¡principal¡¡production¡¡of¡¡the¡¡Carron¡¡Works¡¡was
castings£»¡¡for¡¡which¡¡the¡¡peculiar¡¡quality¡¡of¡¡the¡¡Scotch¡¡iron¡¡admirably
adapts¡¡it¡£¡¡¡¡The¡¡well¡known¡¡Carronades£»*
¡¡£§footnote¡£¡£¡£
The¡¡carronade¡¡was¡¡invented¡¡by¡¡General¡¡Robert¡¡Melville¡¡£§Mr¡£¡¡Nasmyth
says¡¡it¡¡was¡¡by¡¡Miller¡¡of¡¡Dalswinton£§£»¡¡who¡¡proposed¡¡it¡¡for¡¡discharging
68¡¡lb£»¡¡shot¡¡with¡¡low¡¡charges¡¡of¡¡powder£»¡¡in¡¡order¡¡to¡¡produce¡¡the
increased¡¡splintering¡¡or¡¡SMASHING¡¡effects¡¡which¡¡were¡¡known¡¡to¡¡result
from¡¡such¡¡practice¡£¡¡¡¡The¡¡first¡¡piece¡¡of¡¡the¡¡kind¡¡was¡¡cast¡¡at¡¡the
Carron¡¡Foundry£»¡¡in¡¡1779£»¡¡and¡¡General¡¡Melville's¡¡family¡¡have¡¡now¡¡in
their¡¡possession¡¡a¡¡small¡¡model¡¡of¡¡this¡¡gun£»¡¡with¡¡the¡¡inscription£º¡¡¡¡
¡¨Gift¡¡of¡¡the¡¡Carron¡¡Company¡¡to¡¡Lieutenant¡general¡¡Melville£»¡¡inventor
of¡¡the¡¡smashers¡¡and¡¡lesser¡¡carronades£»¡¡for¡¡solid£»¡¡ship£»¡¡shell£»¡¡and
carcass¡¡shot£»¡¡&c¡£¡¡¡¡First¡¡used¡¡against¡¡French¡¡ships¡¡in¡¡1779¡£¡¨
¡¡¡£¡£¡££§
or¡¡¡¨Smashers£»¡¨¡¡as¡¡they¡¡were¡¡named£»¡¡were¡¡cast¡¡in¡¡large¡¡numbers¡¡at¡¡the
Carron¡¡Works¡£¡¡¡¡To¡¡increase¡¡the¡¡power¡¡of¡¡his¡¡blowing¡¡apparatus£»
Dr¡£Roebuck¡¡called¡¡to¡¡his¡¡aid¡¡the¡¡celebrated¡¡Mr¡£¡¡Smeaton£»¡¡the
engineer£»¡¡who¡¡contrived¡¡and¡¡erected¡¡for¡¡him¡¡at¡¡Carron¡¡the¡¡most
perfect¡¡apparatus¡¡of¡¡the¡¡kind¡¡then¡¡in¡¡existence¡£¡¡¡¡It¡¡may¡¡also¡¡be
added£»¡¡that¡¡out¡¡of¡¡the¡¡Carron¡¡enterprise£»¡¡in¡¡a¡¡great¡¡measure£»¡¡sprang
the¡¡Forth¡¡and¡¡Clyde¡¡Canal£»¡¡the¡¡first¡¡artificial¡¡navigation¡¡in
Scotland¡£¡¡¡¡The¡¡Carron¡¡Company£»¡¡with¡¡a¡¡view¡¡to¡¡securing¡¡an¡¡improved
communication¡¡with¡¡Glasgow£»¡¡themselves¡¡surveyed¡¡a¡¡line£»¡¡which¡¡was
only¡¡given¡¡up¡¡in¡¡consequence¡¡of¡¡the¡¡determined¡¡opposition¡¡of¡¡the
landowners£»¡¡but¡¡the¡¡project¡¡was¡¡again¡¡revived¡¡through¡¡their¡¡means£»
and¡¡was¡¡eventually¡¡carried¡¡out¡¡after¡¡the¡¡designs¡¡of¡¡Smeaton¡¡and
Brindley¡£
While¡¡the¡¡Carron¡¡foundry¡¡was¡¡pursuing¡¡a¡¡career¡¡of¡¡safe¡¡prosperity£»
Dr¡£¡¡Roebuck's¡¡enterprise¡¡led¡¡him¡¡to¡¡embark¡¡in¡¡coal¡mining£»¡¡with¡¡the
object¡¡of¡¡securing¡¡an¡¡improved¡¡supply¡¡of¡¡fuel¡¡for¡¡the¡¡iron¡¡works¡£¡¡¡¡He
became¡¡the¡¡lessee¡¡of¡¡the¡¡Duke¡¡of¡¡Hamilton's¡¡extensive¡¡coal¡mines¡¡at
Boroughstoness£»¡¡as¡¡well¡¡as¡¡of¡¡the¡¡salt¡pans¡¡which¡¡were¡¡connected¡¡with
them¡£¡¡¡¡The¡¡mansion¡¡of¡¡Kinneil¡¡went¡¡with¡¡the¡¡lease£»and¡¡there¡¡Dr¡£
Roebuck¡¡and¡¡his¡¡family¡¡took¡¡up¡¡their¡¡abode¡£¡¡¡¡Kinneil¡¡House¡¡was
formerly¡¡a¡¡country¡¡seat¡¡of¡¡the¡¡Dukes¡¡of¡¡Hamilton£»¡¡and¡¡is¡¡to¡¡this¡¡day
a¡¡stately¡¡old¡¡mansion£»¡¡reminding¡¡one¡¡of¡¡a¡¡French¡¡chateau¡£¡¡¡¡Its
situation¡¡is¡¡of¡¡remarkable¡¡beauty£»¡¡its¡¡windows¡¡overlooking¡¡the¡¡broad
expanse¡¡of¡¡the¡¡Firth¡¡of¡¡Forth£»¡¡and¡¡commanding¡¡an¡¡extensive¡¡view¡¡of
the¡¡country¡¡along¡¡its¡¡northern¡¡shores¡£¡¡¡¡The¡¡place¡¡has¡¡become¡¡in¡¡a
measure¡¡classical£»¡¡Kinneil¡¡House¡¡having¡¡been¡¡inhabited£»¡¡since¡¡Dr¡£
Roebuck's¡¡time£»¡¡by¡¡Dugald¡¡Stewart£»¡¡who¡¡there¡¡wrote¡¡his¡¡Philosophical
Essays¡£*
¡¡£§footnote¡£¡£¡£
Wilkie¡¡the¡¡painter¡¡once¡¡paid¡¡him¡¡a¡¡visit¡¡there¡¡while¡¡in¡¡Scotland
studying¡¡the¡¡subject¡¡of¡¡his¡¡¡¨Penny¡¡Wedding£»¡¨¡¡and¡¡Dugald¡¡Stewart¡¡found
for¡¡him¡¡the¡¡old¡¡farm¡house¡¡with¡¡the¡¡cradle¡chimney£»¡¡which¡¡he
introduced¡¡in¡¡that¡¡picture¡£¡¡¡¡But¡¡Kinneil¡¡House¡¡has¡¡had¡¡its¡¡imaginary
inhabitants¡¡as¡¡well¡¡as¡¡its¡¡real¡¡ones£»¡¡the¡¡ghost¡¡of¡¡a¡¡Lady¡¡Lilburn£»
once¡¡an¡¡occupant¡¡of¡¡the¡¡place£»¡¡still¡¡¡¨haunting¡¨¡¡some¡¡of¡¡the
unoccupied¡¡chambers¡£¡¡¡¡Dugald¡¡Stewart¡¡told¡¡Wilkie¡¡one¡¡night£»¡¡as¡¡he¡¡was
going¡¡to¡¡bed£»¡¡of¡¡the¡¡unearthly¡¡wailings¡¡which¡¡he¡¡himself¡¡had¡¡heard
proceeding¡¡from¡¡the¡¡ancient¡¡apartments£»¡¡but¡¡to¡¡him¡¡at¡¡least¡¡they¡¡had
been¡¡explained¡¡by¡¡the¡¡door¡¡opening¡¡out¡¡upon¡¡the¡¡roof¡¡being¡¡blown¡¡in
on¡¡gusty¡¡nights£»¡¡when¡¡a¡¡jarring¡¡and¡¡creaking¡¡noise¡¡was¡¡heard¡¡all¡¡over
the¡¡house¡£¡¡¡¡One¡¡advantage¡¡derived¡¡from¡¡the¡¡house¡¡being¡¡¡¨haunted¡¨¡¡was£»
that¡¡the¡¡garden¡¡was¡¡never¡¡broken¡¡into£»¡¡and¡¡the¡¡winter¡¡apples¡¡and
stores¡¡were¡¡at¡¡all¡¡times¡¡kept¡¡safe¡¡from¡¡depredation¡¡in¡¡the¡¡apartments
of¡¡the¡¡Lady¡¡Lilburn¡£
¡¡¡£¡£¡££§
When¡¡Dr¡£¡¡Roebuck¡¡began¡¡to¡¡sink¡¡for¡¡coal¡¡at¡¡the¡¡new¡¡mines£»¡¡he¡¡found¡¡it
necessary¡¡to¡¡erect¡¡pumping¡machinery¡¡of¡¡the¡¡most¡¡powerful¡¡kind¡¡that
could¡¡be¡¡contrived£»¡¡in¡¡order¡¡to¡¡keep¡¡the¡¡mines¡¡clear¡¡of¡¡water¡£¡¡¡¡For
this¡¡purpose¡¡the¡¡Newcomen¡¡engine£»¡¡in¡¡its¡¡then¡¡state£»¡¡was¡¡found
insufficient£»¡¡and¡¡when¡¡Dr¡£¡¡Roebuck's¡¡friend£»¡¡Professor¡¡Black£»¡¡of
Edinburgh£»¡¡informed¡¡him¡¡of¡¡a¡¡young¡¡man¡¡of¡¡his¡¡acquaintance£»¡¡a
mathematical¡¡instrument¡¡maker¡¡at¡¡Glasgow£»¡¡having¡¡invented¡¡a
steam¡engine¡¡calculated¡¡to¡¡work¡¡with¡¡increased¡¡power£»¡¡speed£»¡¡and
economy£»¡¡compared¡¡with¡¡Newcomen's£»¡¡Dr¡£¡¡Roebuck¡¡was¡¡much¡¡interested£»
and¡¡shortly¡¡after¡¡entered¡¡into¡¡a¡¡correspondence¡¡with¡¡James¡¡Watt£»¡¡the
mathematical¡¡instrument¡¡maker¡¡aforesaid¡¡on¡¡the¡¡subject¡£¡¡¡¡The¡¡Doctor
urged¡¡that¡¡Watt£»¡¡who£»¡¡up¡¡to¡¡that¡¡time£»¡¡had¡¡confined¡¡himself¡¡to
models£»¡¡should¡¡come¡¡over¡¡to¡¡Kinneil¡¡House£»¡¡and¡¡proceed¡¡to¡¡erect¡¡a
working£»¡¡engine¡¡in¡¡one¡¡of¡¡the¡¡outbuildings¡£¡¡¡¡The¡¡English¡¡workmen¡¡whom
he¡¡had¡¡brought£»¡¡to¡¡the¡¡Carron¡¡works¡¡would£»¡¡he¡¡justly¡¡thought£»¡¡give
Watt¡¡a¡¡better¡¡chance¡¡of¡¡success¡¡with¡¡his¡¡engine¡¡than¡¡if¡¡made¡¡by¡¡the
clumsy¡¡whitesmiths¡¡and¡¡blacksmiths¡¡of¡¡Glasgow£»¡¡quite¡¡unaccustomed¡¡as
they¡¡were¡¡to¡¡first¡class¡¡work£»¡¡and¡¡he¡¡proposed¡¡himself¡¡to¡¡cast¡¡the
cylinders¡¡at¡¡Carron¡¡previous¡¡to¡¡Watt's¡¡intended¡¡visit¡¡to¡¡him¡¡at
Kinneil¡£
Watt¡¡paid¡¡his¡¡promised¡¡visit¡¡in¡¡May£»¡¡1768£»¡¡and¡¡Roebuck¡¡was¡¡by¡¡this
time¡¡so¡¡much¡¡interested¡¡in¡¡the¡¡invention£»¡¡that¡¡the¡¡subject¡¡of¡¡his
becoming¡¡a¡¡partner¡¡with¡¡Watt£»¡¡with¡¡the¡¡object¡¡of¡¡introducing¡¡the
engine¡¡into¡¡general¡¡use£»¡¡was¡¡seriously¡¡discussed¡£¡¡¡¡Watt¡¡had¡¡been
labouring¡¡at¡¡his¡¡invention¡¡for¡¡several¡¡years£»¡¡contending¡¡with¡¡many
difficulties£»¡¡but¡¡especially¡¡with¡¡the¡¡main¡¡difficulty¡¡of¡¡limited
means¡£¡¡¡¡He¡¡had¡¡borrowed¡¡considerable¡¡sums¡¡of¡¡money¡¡from¡¡Dr¡£¡¡Black¡¡to
enable¡¡him¡¡to¡¡prosecute¡¡his¡¡experiments£»¡¡and¡¡he¡¡felt¡¡the¡¡debt¡¡to¡¡hang
like¡¡a¡¡millstone¡¡round¡¡his¡¡neck¡£¡¡¡¡Watt¡¡was¡¡a¡¡sickly£»¡¡fragile¡¡man£»¡¡and
a¡¡constant¡¡sufferer¡¡from¡¡violent¡¡headaches£»¡¡besides¡¡he¡¡was¡¡by¡¡nature
timid£»¡¡desponding£»¡¡painfully¡¡anxious£»¡¡and¡¡easily¡¡cast¡¡down¡¡by
failure¡£¡¡¡¡Indeed