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Section 9 of 12
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Page 3 of 5
IX. THE ADVENTURE OF THE ENGINEER’s THUMB
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Chapter IX. THE ADVENTURE OF THE ENGINEER'S THUMB
Central question
What kind of crime is hiding behind a technical job?
Main argument
Victor Hatherley is drawn into a counterfeit industrial operation that uses...
AI Summary
The Adventures of Sherlock Holmes
Section 9 of 12
Chapter IX. THE ADVENTURE OF THE ENGINEER'S THUMB
Central question
What kind of crime is hiding behind a technical job?
Main argument
Victor Hatherley is drawn into a counterfeit industrial operation that uses engineering work as cover for fraud and violence. Holmes reads the apparently accidental mutilation as part of a larger criminal enterprise built on secrecy, machinery, and escape.
Key ideas
Professional expertise can be exploited by criminals.
Technology in the story is a mask for lawlessness.
Holmes follows the infrastructure behind the injury.
Key takeaway
The hand injury is the visible edge of a hidden scheme.
a few
minutes ,’
said he ,
throwing open another door .
It was a quiet ,
little ,
plainly furnished room ,
with a round table in the centre ,
on which
several German
books were scattered .
Colonel Stark laid down the lamp
on the top of a harmonium beside the door . ‘
I shall not keep you
waiting an instant ,’
said he ,
and vanished into the darkness .
“
I glanced at the books upon the table ,
and in spite of my ignorance of
German
I could see that two of them were treatises on science ,
the
others being volumes of poetry .
Then I walked across to the window ,
hoping that I might catch some glimpse of the country-side ,
but an oak
shutter ,
heavily barred ,
was folded across it .
It was a wonderfully
silent house .
There was an old clock ticking loudly somewhere in the
passage ,
but otherwise everything was deadly still .
A vague feeling of
uneasiness began to steal over me .
Who were these German
people ,
and
what were they doing living in this strange , out-of-the-way
place ?
And
where was the place ?
I was ten miles or so from Eyford,
that was all I
knew ,
but whether north ,
south ,
east ,
or west I had no idea .
For that
matter ,
Reading ,
and possibly other large towns ,
were within that
radius ,
so the place might not be so secluded ,
after all .
Yet it was
quite certain ,
from the absolute stillness ,
that we were in the
country .
I paced up and down the room ,
humming a tune under my breath
to keep up my spirits and feeling that I was thoroughly earning my
fifty-guinea
fee .
“
Suddenly ,
without any preliminary sound in the midst of the utter
stillness ,
the door of my room swung slowly open .
The woman was
standing in the aperture ,
the darkness of the hall behind her ,
the
yellow light from my lamp beating upon her eager and beautiful face .
I
could see at a glance that she was sick with fear ,
and the sight sent a
chill to my own heart .
She held up one shaking finger to warn me to be
silent ,
and she shot a few whispered words of broken English at me ,
her
eyes glancing back ,
like those of a frightened horse ,
into the gloom
behind her .
“‘
I would go ,’
said she ,
trying hard ,
as it seemed to me ,
to speak
calmly ; ‘
I would go .
I should not stay here .
There is no good for you
to do .’
“‘
But ,
madam ,’
said I , ‘
I have not yet done what I came for .
I cannot
possibly leave until I have seen the machine .’
“‘
It is not worth your while to wait ,’
she went on . ‘
You can pass
through the door ;
no one hinders .’
And then ,
seeing that I smiled and
shook my head ,
she suddenly threw aside her constraint and made a step
forward ,
with her hands wrung together . ‘
For the love of Heaven !’
she
whispered , ‘
get away from here before it is too late !’
“
But I am somewhat headstrong by nature ,
and the more ready to engage
in an affair when there is some obstacle in the way .
I thought of my
fifty-guinea
fee ,
of my wearisome journey ,
and of the unpleasant night
which seemed to be before me .
Was it all to go for nothing ?
Why should
I slink away without having carried out my commission ,
and without the
payment which was my due ?
This woman might ,
for all I knew ,
be a
monomaniac .
With a stout bearing ,
therefore ,
though her manner had
shaken me more than I cared to confess ,
I still shook my head and
declared my intention of remaining where I was .
She was about to renew
her entreaties when a door slammed overhead ,
and the sound of several
footsteps was heard upon the stairs .
She listened for an instant ,
threw
up her hands with a despairing gesture ,
and vanished as suddenly and as
noiselessly as she had come .
“
The newcomers were Colonel Lysander
Stark and a short thick man with a
chinchilla beard growing out of the creases of his double chin ,
who was
introduced to me as Mr . Ferguson.
“‘
This is my secretary and manager ,’
said the colonel . ‘
By the way ,
I
was under the impression that I left this door shut just now .
I fear
that you have felt the draught .’
“‘
On the contrary ,’
said I , ‘
I opened the door myself because I felt
the room to be a little close .’
“
He shot one of his suspicious looks at me . ‘
Perhaps we had better
proceed to business ,
then ,’
said he . ‘
Mr . Ferguson
and I will take you
up to see the machine .’
“‘
I had better put my hat on ,
I suppose .’
“‘
Oh ,
no ,
it is in the house .’
“‘
What ,
you dig fuller’s-earth
in the house ?’
“‘
No ,
no .
This is only where we compress it .
But never mind that .
All
we wish you to do is to examine the machine and to let us know what is
wrong with it .’
“
We went upstairs together ,
the colonel first with the lamp ,
the fat
manager and I behind him .
It was a labyrinth of an old house ,
with
corridors ,
passages ,
narrow winding staircases ,
and little low doors ,
the thresholds of which were hollowed out by the generations who had
crossed them .
There were no carpets and no signs of any furniture above
the ground floor ,
while the plaster was peeling off the walls ,
and the
damp was breaking through in green ,
unhealthy blotches .
I tried to put
on as unconcerned an air as possible ,
but I had not forgotten the
warnings of the lady ,
even though I disregarded them ,
and I kept a keen
eye upon my two companions . Ferguson
appeared to be a morose and silent
man ,
but I could see from the little that he said that he was at least
a fellow-countryman.
“
Colonel Lysander
Stark stopped at last before a low door ,
which he
unlocked .
Within was a small ,
square room ,
in which the three of us
could hardly get at one time . Ferguson
remained outside ,
and the
colonel ushered me in .
“‘
We are now ,’
said he , ‘
actually within the hydraulic press ,
and it
would be a particularly unpleasant thing for us if anyone were to turn
it on .
The ceiling of this small chamber is really the end of the
descending piston ,
and it comes down with the force of many tons upon
this metal floor .
There are small lateral columns of water outside
which receive the force ,
and which transmit and multiply it in the
manner which is familiar to you .
The machine goes readily enough ,
but
there is some stiffness in the working of it ,
and it has lost a little
of its force .
Perhaps you will have the goodness to look it over and to
show us how we can set it right .’
“
I took the lamp from him ,
and I examined the machine very thoroughly .
It was indeed a gigantic one ,
and capable of exercising enormous
pressure .
When I passed outside ,
however ,
and pressed down the levers
which controlled it ,
I knew at once by the whishing sound that there
was a slight leakage ,
which allowed a regurgitation of water through
one of the side cylinders .
An examination showed that one of the
india-rubber bands which was round the head of a driving-rod
had shrunk
so as not quite to fill the socket along which it worked .
This was
clearly the cause of the loss of power ,
and I pointed it out to my
companions ,
who followed my remarks very carefully and asked several
practical questions as to how they should proceed to set it right .
When
I had made it clear to them ,
I returned to the main chamber of the
machine and took a good look at it to satisfy my own curiosity .
It was
obvious at a glance that the story of the fuller’s-earth
was the merest
fabrication ,
for it would be absurd to suppose that so powerful an
engine could be designed for so inadequate a purpose .
The walls were of
wood ,
but the floor consisted of a large iron trough ,
and when I came
to examine it I could see a crust of metallic deposit all over it .
I
had stooped and was scraping at this to see exactly what it was when I
heard a muttered exclamation in German
and saw the cadaverous face of
the colonel looking down at me .
“‘
What are you doing there ?’
he asked .
“
I felt angry at having been tricked by so elaborate a story as that
which he had told me . ‘
I was admiring your fuller’s-earth,’
said I ; ‘
I
think that I should be better able to advise you as to your machine if
I knew what the exact purpose was for which it was used .’
“
The instant that I uttered the words I regretted the rashness of my
speech .
His face set hard ,
and a baleful light sprang up in his grey
eyes .
“‘
Very well ,’
said he , ‘
you shall know all about the machine .’
He took
a step backward ,
slammed the little door ,
and turned the key in the
lock .
I rushed towards it and pulled at the handle ,
but it was quite
secure ,
and did not give in the least to my kicks and shoves . ‘
Hullo !’
I yelled . ‘
Hullo !
Colonel !
Let me out !’
“
And then suddenly in the silence I heard a sound which sent my heart
into my mouth .
It was the clank of the levers and the swish of the
leaking cylinder .
He had set the engine at work .
The lamp still stood
upon the floor where I had placed it when examining the trough .
By its
light I saw that the black ceiling was coming down upon me ,
slowly ,
jerkily ,
but ,
as none knew better than myself ,
with a force which must
within a minute grind me to a shapeless pulp .
I threw myself ,
screaming ,
against the door ,
and dragged with my nails at the lock .
I
implored the colonel to let me out ,
but the remorseless clanking of the
levers drowned my cries .
The ceiling was only a foot or two above my
head ,
and with my hand upraised I could feel its hard ,
rough surface .
Then it flashed through my mind that the pain of my death would depend
very much upon the position in which I met it .
If I lay on my face the
weight would come upon my spine ,
and I shuddered to think of that
dreadful snap .
Easier the other way ,
perhaps ;
and yet ,
had I the nerve
to lie and look up at that deadly black shadow wavering down upon me ?
Already I was unable to stand erect ,
when my eye caught something which
brought a gush of hope back to my heart .
“
I have said that though the floor and ceiling were of iron ,
the walls
were of wood .
As I gave a last hurried glance around ,
I saw a thin line
of yellow light between two of the boards ,
which broadened and
broadened as a small panel was pushed backward .
For an instant I could
hardly believe that here was indeed a door which led away from death .
The next instant I threw myself through ,
and lay half-fainting
upon the
other side .
The panel had closed again behind me ,
but the crash of the
lamp ,
and a few moments afterwards the clang of the two slabs of metal ,
told me how narrow had been my escape .
“
I was recalled to myself by a frantic plucking at my wrist ,
and I
found myself lying upon the stone floor of a narrow corridor ,
while a
woman bent over me and tugged at me with her left hand ,
while she held
a candle in her right .
It was the same good friend whose warning I had
so foolishly rejected .
“‘
Come !
come !’
she cried breathlessly . ‘
They will be here in a moment .
They will see that you are not there .
Oh ,
do not waste the so-precious
time ,
but come !’
“
This time ,
at least ,
I did not scorn her advice .
I staggered
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