On the Economy of Machinery and Manufactures - Charles Babbage (interesting books to read in english .TXT) 📗
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previously had the slightest communication. I left the book in Mr
Knight’s hands, with a request that, when he had read it, I might
be informed whether he would undertake the publication of it; and
this he consented to do. Mr Knight, therefore, is so far from
being responsible for a single opinion in the present volume,
that he saw it only, for a short time, a few days previous to its
publication.
It has been objected to me, that I have exposed too freely
the secrets of trade. The only real secrets of trade are
industry, integrity, and knowledge: to the possessors of these no
exposure can be injurious; and they never fail to produce respect
and wealth.
The alterations in the present edition are so frequent, that
I found it impossible to comprise them in a supplement. But the
three new chapters, ‘On money as a medium of exchange’; ‘On a new
system of manufacturing’; and ‘On the effect of machinery in
reducing the demand for labour’; will shortly be printed
separately, for the use of the purchasers of the first edition.
I am inclined to attach some importance to the new system of
manufacturing; and venture to throw it out with the hope of its
receiving a full discussion among those who are most interested
in the subject. I believe that some such system of conducting
manufactories would greatly increase the productive powers of any
country adopting it; and that our own possesses much greater
facilities for its application than other countries, in the
greater intelligence and superior education of the working
classes. The system would naturally commence in some large town,
by the union of some of the most prudent and active workmen; and
their example, if successful, would be followed by others. The
small capitalist would next join them, and such factories would
go on increasing until competition compelled the large capitalist
to adopt the same system; and, ultimately, the whole faculties of
every man engaged in manufacture would be concentrated upon one
object—the art of producing a good article at the lowest
possible cost—whilst the moral effect on that class of the
population would be useful in the highest degree, since it would
render character of far greater value to the workman than it is
at present.
To one criticism which has been made, this volume is
perfectly open. I have dismissed the important subject of the
patent-laws in a few lines. The subject presents, in my opinion,
great difficulties, and I have been unwilling to write upon it,
because I do not see my way. I will only here advert to one
difficulty. What constitutes an invention? Few simple mechanical
contrivances are new; and most combinations may be viewed as
species, and classed under genera of more or less generality; and
may, in consequence, be pronounced old or new, according to the
mechanical knowledge of the person who gives his opinion.
Some of my critics have amused their readers with the
wildness of the schemes I have occasionally thrown out; and I
myself have sometimes smiled along with them. Perhaps it were
wiser for present reputation to offer nothing but profoundly
meditated plans, but I do not think knowledge will be most
advanced by that course; such sparks may kindle the energies of
other minds more favourably circumstanced for pursuing the
enquiries. Thus I have now ventured to give some speculations on
the mode of blowing furnaces for smelting iron; and even
supposing them to be visionary, it is of some importance thus to
call the attention of a large population, engaged in one of our
most extensive manufactures, to the singular fact, that
four-fifths of the steam power used to blow their furnaces
actually cools them.
I have collected, with some pains, the criticisms* on the
first edition of this work, and have availed myself of much
information which has been communicated to me by my friends, for
the improvement of the present volume. If I have succeeded in
expressing that I had to explain with perspicuity, I am aware
that much of this clearness is due to my friend, Dr Fitton, to
whom both the present and the former edition are indebted for
such an examination and correction, as an author himself has very
rarely the power to bestow.
[*Footnote: Several of these have probably escaped me, and I shall
feel indebted to any one who will inform my publisher of any future
remarks.]
22 November, 1832.
Section I.
INTRODUCTION.
The object of the present volume is to point out the effects
and the advantages which arise from the use of tools and
machines;—to endeavour to classify their modes of action;—and to
trace both the causes and the consequences of applying machinery
to supersede the skill and power of the human arm.
A view of the mechanical part of the subject will, in the
first instance, occupy our attention, and to this the first
section of the work will be devoted. The first chapter of the
section will contain some remarks on the general sources from
whence the advantages of machinery are derived, and the
succeeding nine chapters will contain a detailed examination of
principles of a less general character. The eleventh chapter
contains numerous subdivisions, and is important from the
extensive classification it affords of the arts in which copying
is so largely employed. The twelfth chapter, which completes the
first section, contains a few suggestions for the assistance of
those who propose visiting manufactories.
The second section, after an introductory chapter on the
difference between making and manufacturing, will contain, in the
succeeding chapters, a discussion of many of the questions which
relate to the political economy of the subject. It was found that
the domestic arrangement, or interior economy of factories, was
so interwoven with the more general questions, that it was deemed
unadvisable to separate the two subjects. The concluding chapter
of this section, and of the work itself, relates to the future
prospects of manufactures, as arising from the application of
science.
Sources of the Advantages arising from Machinery and Manufactures
1. There exists, perhaps, no single circumstance which
distinguishes our country more remarkably from all others, than
the vast extent and perfection to which we have carried the
contrivance of tools and machines for forming those conveniences
of which so large a quantity is consumed by almost every class of
the community. The amount of patient thought, of repeated
experiment, of happy exertion of genius, by which our
manufactures have been created and carried to their present
excellence, is scarcely to be imagined. If we look around the
rooms we inhabit, or through those storehouses of every
convenience, of every luxury that man can desire, which deck the
crowded streets of our larger cities, we shall find in the
history of each article, of every fabric, a series of failures
which have gradually led the way to excellence; and we shall
notice, in the art of making even the most insignificant of them,
processes calculated to excite our admiration by their
simplicity, or to rivet our attention by their unlooked-for
results.
2. The accumulation of skill and science which has been
directed to diminish the difficulty of producing manufactured
goods, has not been beneficial to that country alone in which it
is concentrated; distant kingdoms have participated in its
advantages. The luxurious natives of the East,(1*) and the ruder
inhabitants of the African desert are alike indebted to our
looms. The produce of our factories has preceded even our most
enterprising travellers.(2*) The cotton of India is conveyed by
British ships round half our planet, to be woven by British skill
in the factories of Lancashire: it is again set in motion by
British capital; and, transported to the very plains whereon it
grew, is repurchased by the lords of the soil which gave it
birth, at a cheaper price than that at which their coarser
machinery enables them to manufacture it themselves.(3*)
3. The large proportion of the population of this country,
who are engaged in manufactures, appears from the following table
deduced from a statement in an Essay on the Distribution of
Wealth, by the Rev. R. Jones:
For every hundred persons employed in agriculture, there are:
Agriculturists Non-agriculturists
In Bengal 100 25
In Italy 100 31
In France 100 50
In England 100 200
The fact that the proportion of non-agricultural to
agricultural persons is continually increasing, appears both from
the Report of the Committee of the House of Commons upon
Manufacturers’ Employment, July, 1830, and from the still later
evidence of the last census; from which document the annexed
table of the increase of population in our great manufacturing
towns, has been deduced.
Increase of population per cent
Names of places
1801-11 1811-21 1821-31 Total
Manchester 22 40 47 151
Glasgow 30 46 38 161
Liverpool(4*) 26 31 44 138
Nottingham 19 18 25 75
Birmingham 16 24 33 90
Great Britain 14.2 15.7 15.5 52.5
Thus, in three periods of ten years, during each of which the
general population of the country has increased about 15 per
cent, or about 52 per cent upon the whole period of thirty years,
the population of these towns has, on the average, increased 132
per cent. After this statement, there requires no further
argument to demonstrate the vast importance to the wellbeing of
this country, of making the interests of its manufacturers well
understood and attended to.
4. The advantages which are derived from machinery and
manufactures seem to arise principally from three sources: The
addition which they make to human power. The economy they produce
of human time. The conversion of substances apparently common and
worthless into valuable products.
5. Of additions to human power. With respect to the first of
these causes, the forces derived from wind, from water, and from
steam, present themselves to the mind of every one; these are, in
fact, additions to human power, and will be considered in a
future page: there are, however, other sources of its increase,
by which the animal force of the individual is itself made to act
with far greater than its unassisted power; and to these we shall
at present confine our observations.
The construction of palaces, of temples, and of tombs, seems
to have occupied the earliest attention of nations just entering
on the career of civilization; and the enormous blocks of stone
moved from their native repositories to minister to the grandeur
or piety of the builders, have remained to excite the
astonishment of their posterity, long after the purposes of many
of these records, as well as the names of their founders, have
been forgotten. The different degrees of force necessary to move
these ponderous masses, will have varied according to the
mechanical knowledge of the people employed in their transport;
and that the extent of power required for this purpose is widely
different under different circumstances, will appear from the
following experiment, which is related by M. Rondelet, Sur L’Art
de Batir. A block of squared stone was taken for the subject of
experiment:
1. Weight of stone 1080 lbs
2. In order to drag this stone along the floor of the quarry,
roughly chiselled, it required a force equal to 758 lbs
3. The same stone dragged over a floor of planks required 652 lbs
4. The same stone placed on a platform of wood, and dragged over
a floor of planks, required 606 lbs
5. After soaping the two surfaces of wood which slid over each
other, it required 182 lbs
6. The same stone was now placed upon rollers of three inches
diameter, when it required to put it in motion along the floor of
the
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