EXTANT BABBAGE CORRESPONDENCE
British Library Manuscripts Department
Selections from the Collection of Sir Robert Peel's Correspondence relating to Charles Babbage's Difference Engine
British Library Add Ms 40419 f 154
7th April 1835
CB to Sir Robert Peel, Prime Minister
[For draft of this letter see British Library Add Ms 37189 f74]
Sir,
I transmit a copy of a
statement respecting the Calculating Engine addressed by me to the Duke
of Wellington, which I had hoped would have been placed in your hands by
his Grace who on several occasions has expressed an interest in the
subject.
In that paper I have stated
the only courses which it appears to me that the Government can take
and it seems scarcely possible that you should be able, without seeing
the engine and without hearing and asking explanations about it, to come
to a decision on the subject. If you should take the same view I shall
be happy to show it to you at any time you may fix and I will then give
you the fullest information I possess on any part of the subject
respecting which you may wish to enquire.
The delays and difficulties
of years will I hope excuse my expressing a wish that I may be relieved
from them by an early decision of the government upon the question.
I am Sir,
Your very Obdt Servant
Charles Babbage
Dorset St
Manchester Sq
7 April 1835
To The Right Honble Sir Robert Peel Bart. &c.
British Library Add Ms 40516 f265
8th October 1842
CB to Sir Robert Peel
Sir,
On the 22nd of Janry last I
did myself the honor of transmitting to you a printed statement of the
circumstances connected with the Calculating Engine (The Difference
Engine) the construction of which I had been superintending for the
government since the year 1823. That paper was accompanied by a note
requesting the decision of the following question whether
It is the intention of the
government to call upon me to complete for them that Difference Engine
the construction of which has been suspended since 1833.
Or finally to give up its completion and thus put an end to the understanding which has subsisted since the year 1823?
I received an answer in a
note from Sir George Clerk stating that Sir R. Peel "hopes that as soon
as the great pressure of business previous to the opening of the session
of Parliament is over he may be able to determine the best course to be
pursued~.
I waited untill the
important discussions of last session and even the session itself had
terminated. Nor did I think it right to press upon your time during the
continuance of the tumults in the manufacturing districts; nor during
the Queen's visit to Scotland.
The decision of that
question, which I have repeatedly but unfortunately without effect
applied for during the last eight years, is to me a matter of
considerable importance and I now most earnestly request you to examine
it and to favor mc with the earliest information of the result.
I am Sir
Your Very Obdt Humble Servt
Charles Babbage
Dorset St
Manchester Square
8 October 1842
To the Right Honble Sir Robert Peel Bart. &c.
British Library Add Ms 40516 f267
4th November 1842, Whitehall
Draft Note from Sir Robert Peel to CB
[Top Copy filed at British Library Add Ms 37192 f 174]
Sir Robert Peel presents
his compliments to Mr Babbage and begs leave to apologize for the delay
in sending an acknowledgement of Mr Babbage's letter of the 8 Oct.
Sir Robert Peel received it in the country and wished to have an opportunity of
personally communicating upon the subject of that letter with the Chancellor of the
Exchequer who has undertaken to convey to Mr Babbage their joint opinions.
Whitehall
4 Nov 1842
British Library Add Ms 40611 f181
23rd Dec 1834
Statement Addressed to the Duke of Wellington KG etc. respecting the Calculating Engine
by Charles Babbage
About 13 years ago, I
undertook to superintend the construction of the Calculating Engine at
the wish of the then administration. The Grounds on which they took it
up were, that it was not in its nature capable of becoming an object of
pecuniary profit, -that it was of the highest importance to a country,
possessing an extensive marine to add to its security by the
construction of an Engine capable of producing Astronomical and Nautical
Tables with unerring precision. -I thought, and still, think those were
statesmanlike reasons.
At all events it could not
have been taken up by that Administration as a personal favour to one,
who was always of liberal tho' not radical principles. -It was taken up
for the Interest of the Country not of the Individual; and to suppose
the contrary is to maintain the existence of a wrong motive, when the
existence of a right one is obvious.
I thought at that time that
two or at the utmost that three years would suffice for its
construction, and with this impression, I made no stipulation for any
remuneration for my Services, either pecuniary or honorary.
I continued for above ten
years to work amidst the greatest difficulties, at the completion of
that Engine, I had to communicate with six Administrations, I repeatedly
and almost continually advanced considerable Sums of Money from my own
private Funds, to prevent the delays, which would have arisen, had I
waited for the Issues from the Treasury.
The best proof that these
advances were necessary arises from the fact that since the time at
which I resolved to abstain from making any further Advances from my
private funds, a period of nearly two years, the further construction of
the Calculating Engine has totally ceased -During the previous ten
years I have spared no expencc in travelling both at home and on the
Continent for the purpose of examining all the Machinery, whether
employed in Manufactures or otherwise to which I could get access. The
great improvements I have made in the Calculating Engine, far beyond
what I had at first proposed were one of the consequences of this
Examination.
The Publication of the
Results of my Reflections in the "Economy of Machinery and Manufactures"
was another consequence; that work has been translated into most
European languages, and has not been entirely unnoticed by the
Governments of other Countries.
Of the Annoyances and
difficulties I have experienced during this period, I shall not speak,
they are painful to remember, and their relation is useless for the
future. Their Effect may be seen perhaps in the Composition of this
paper, and will be more evident in the decision with which I shall act.
Finally during my
Superintendance of the Engine, I have several times declined Situations
of considerable pecuniary advantage, in order that my time might be
devoted to the Completion of that work.
This was more particularly
the case in 1824, when a highly advantageous situation was offered to
me, which would have produced an Income of above £2000 per Annum.
About two years ago, I had
completed the Invention of the Engine, the various Contrivances were
nearly all drawn, a large part of the Machinery was executed, and I had
caused to be put together a certain portion of it forming a small
Engine.
This the first Engine that
ever calculated Mathematical Tables[,] performed its work with perfect
precision, and is in my Opinion a complete Demonstration of the
possibility of executing mechanically more than I had promised.
The Period had then arrived
when I had surmounted all the great difficulties of the Question, and
it was not unreasonable, even without having made any such stipulation
to suppose that these Services would have been met with some
Acknowledgement, at the least that I should have received some testimony
of the Approbation of my Country.
It was not unreasonable to
expect, that an Administration which, prided itself on its desire for
the Extension of Knowledge, should have been happy in an opportunity of
distinguishing the first Conversion of Mental into Mechanical Processes.
It was certain that any
advice addressed to the King in favour of one, whose inventions
contributed to give increased Security to the sailor, would have found a
ready attention.
Some public Expression of
Opinion from the Government became of more importance to me from the
Circumstances that I was continually attacked by both Tories and
Radicals through the Press and at Public Meetings for having received
Money for my Services, a circumstance which would not I apprehend have
been disgraceful if true, but being utterly false was disgraceful to
those who employed it, and did give me some claim to assistance in
refuting it, from the Country for which I had worked.
I
received no such Assistance and the Engine itself was less noticed by
the Government of the greatest naval power in the World, than it would
have been in any even of the smallest states in Europe. I mention this
as an opinion resulting from my own Experience. In Countries which I
have visited without any introduction but those afforded by my printed
works and before any portion of the Calculating Engine was actually
completed, I have yet met with attentions, which stand in striking
Contrast with the Neglect I have experienced in my own. -I am however
bound in Justice to your Grace to state that of the seven prime
ministers who have successively held office during the progress of the
Calculating Engine, you alone seem to have appreciated the Nature of the
Invention, for you alone have personally inspected its progress, and
execution.
I shall now proceed to
describe the present Condition of the Calculating Engine. A small
Portion has already been put together and works perfectly.
About twelve thousand parts
in more or less advanced state, together with all the numerous drawings
are at present deposited in a fire-proof building, which together with
workshops and a residence for the Superintending Engineer have been
built for them in East Street Manchester Square. These have only been in
my Custody during the last four months.
There appears to me to be but four ways in which the Question relative to this Engine can be disposed of-
1st The Government may
desire me to continue its Construction in the hands of the same Person
who has hitherto been employed in making it; this is the utmost extent
which in my Opinion the most adverse Interpretation of any implied
Understanding at the commencement of the undertaking could claim from
me, and although I should probably accede to it, other Considerations
render my decision upon that point at present unnecessary.
Circumstances have arisen
over which neither the Government nor myself have any control, which
render that course not only highly inexpedient, but I may also say even
practically impossible, I shall therefore for the Present dismiss it.
2ndly The Government may
enquire whether it is not possible to find some other person than the
one to whom I have alluded, competent to complete the Work: this is a
question on which I have for sometime bestowed considerable attention
-The result of my enquiry is that it is possible, that it might be
finished in much shorter time and at considerably less Expence; but that
this Course would be attended by great personal sacrifices on my part,
and after my Experience of the past, I do not feel myself bound to make
any further Sacrifices -I am ready to point out both the reasons which
lead me to the former Conclusion, and the means which can be commanded
for the Completion of the
Engine, and to consider any proposition which may be made, but I will make none.
A Third Course is possible
-The Government may find some person to supply my place, who may from my
designs and drawings undertake to finish the Engine -I mention this as a
possible Case, but I do not imagine the present Administration would
pursue a course of such doubtful Expediency, if however I am mistaken -I
am re~~dy at a moment's notice to transfer the Engine to any one whom
they may appoint.
The last and apparently the
only remaining course is to give up the Undertaking entirely. I am not
unaware of the Consequences of such a step, some Economist may get up in
the House of Commons and enquire why £20,000 has been spent on what he
may be pleased to term a useless and an absurd Speculation, both parties
will be glad to get rid of their Portion of the Responsibility, and may
unite in throwing the blame entirely on me, and that worst of all
possible modes of enquiry into such a subject a Committee of the House
of Commons may report that I am wholly wrong. I have experienced the
Injustice of my Countrymen and if need be, I shall not quail before a
greater Exercise of it.
I come now to a subject of
great difficulty, one which I feel that I ought to communicate in order
that you may have fairly before you all the Circumstances of the case.
The difficulty consists in this, that in pointing out remote tho'
possible consequences, I may be accused of using a tone, which is quite
foreign to my intention, and which any reasonable Being must know would
be the least likely to influence the decisions of the Duke of Wellington
-If any-one should judge thus harshly of me, I must be content to bear
it, knowing that it is a tax I must pay to avoid the harsher judgement I
should form of myself if I unfairly with-held information from Another.
During nearly two Years I
was deprived entirely of the Possession of the whole of the drawings of
the Calculating Engine. About four months since they were delivered up
to me, and I immediately began a Re-examination and Criticism of every
Part. The Result of this and of my increased Knowledge has been the
Contrivance of a totally new Engine possessing much more extensive
powers, and capable of Calculations of a Nature far more complicated. It
is singular that amongst the numerous contrivances, which it comprises,
no one has yet been adopted, which has been employed in the former one.
Much as it exceeds that Engine in power it is not intended to supersede
it, on the contrary it will greatly extend its power and add to its
utility.
I have laid aside for a
time all other Pursuits, and have advanced considerably with the
drawings, on which I keep an able draftsman constantly employed -The
great Mechanical Principles and Contrivances which regulate its action
are already decided upon, and it is my intention to proceed to finish
the drawings in such a manner that the whole Invention of the new Engine
shall be complete and susceptible of being executed at any future
Period.
Whether I shall ever be
able to afford to construct such an Engine from my own, private
resources, injured as they have been by the sacrifices I have made in
carrying on the former one is yet uncertain -but it has been suggested
to me from several quarters, and has occurred to my own mind that it is
not impossible that the Government of some other Country forming a
different Estimate, both of the utility of such Undertakings, and of the
Value of the Reputation that attends them, might make propositions,
which I should be disposed to entertain.
My right to dispose, as I
will, of such Inventions cannot be contested; it is more sacred in its
Nature, than any hereditary or acquired Property, for they are the
Absolute Creations of my own Mind. The Consequences of such an
Arrangement would be, that it would become necessary for me to collect
together all that is most excellent in our own workshops -that Methods
and Processes, which are equally essential to the Perfection of
Machinery, but which are far less easily transmitted from Country to
Country, would be at once brought into successful practice under the
Eyes and by the Hands of foreign Workmen
-that I should contrive as I have contrived before, new modes of executing Work, and that
a School of Mechanical
Engineers** might arise, whose influence would give a lasting Impulse to
the whole of the Manufactures of that Country, and that the secondary
Consequences of the Acquisition of that Calculating Engine might become
far more valuable than the primary object for which is was sought.
I have now detailed the
Circumstances attending the present stat&f the Calculating Engine, I
can make no claim on the Government, because when I undertook it for
them, I made no stipulation for any Remuneration, either for the
Invention or for my services in constructing it.
If it has cost the Country
£20,000 it has been the Source of Expence to me, which although not of
the same extent, is yet considerable compared with my means; and I have
made sacrifices to meet that Expenditure: it has also prevented me from
engaging in Occupations by which far more than that Sum would have
accrued to me.
If it has consumed 13 years
of my life instead of two or three, it will be said that I must suffer
the Inconvenience arising from my own ignorance. -I was ignorant of that
which no human Being could foresee; I have suffered the Consequences.
I feel however that these
are not the Pleas, which it is worthy of a great Nation to set up when
treating with an Individual on such a Question. If they are maintained, I
ask no favour of that Country. New Circumstances have now arisen, over
which neither party have any Controul, and a new Arrangement must now be
made. All I ask is that I may have as early a Decision of the Question
respecting the Calculating Engine, as a due Consideration of the
Circumstances of the case connected with it, will admit.
Dorset St
Manchester Square (signed) Charles Babbage
23rd December 1834
**
I have been informed by Men who formerly worked at the Calculating Engine1 but who are now scattered about in our
Manufacturing Districts, that they all get higher wages than their fellow Workmen in Consequence of having worked at that
Machine.
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