been much directed, in the course of my professional labours in the neighbourhood of the coal-mining district of Haddingtonshire, to the above phenomena in the pathology of the lungs, which have not hitherto been brought so fully before the profession, as their importance demands. The subject presents a very interesting field of investigation to the physiologist and pathologist.
When we consider the difficulties which the medical man has to encounter, in prosecuting his researches in morbid anatomy in a mining district, it is sufficiently explained why the peculiarly diseased structures in the body of the coal-miner should have been left so long uninvestigated.
Not many years ago, the obstacles in the way of post mortem examinations among colliers were insurmountable, and consequently, till lately, few medical men could obtain permission to examine, after death, the morbid appearances within the chest of a collier. With the rapid advance in the general improvement which has been going on, the collier's position in society has become greatly elevated; and his deeply-rooted superstitious feelings have been, to a great extent, dissipated. Let us hope that the school-master will find his way into every collier's dwelling, enlightening his too long uncultivated mind; and that the foolish prejudices shall cease, which have been hitherto the barriers to post-mortem examinations in his community.
The only medical writers, as far as I am aware, who have brought this subject before the notice of the profession, are, Dr J. C. GREGORY, in the report of a case of peculiar black infiltration of the whole lungs, resembling "Melanosis," (Edinburgh Medical and Surgical Journal, No. cix., October 1831); Dr CARSEWELL, in an article on "Spurious Melanosis," (Cyclop?dia of Practical Medicine, Vol. iii); Dr MARSHALL, in a paper in The Lancet for 1836, entitled "Cases of Spurious Melanosis of the Lungs;" Dr WILLIAM THOMSON, now Professor of Medicine in the University of Glasgow, in two able essays (Medico-Chirurgical Transactions of London, Vols. xx. and xxi.), wherein he gives a number of very interesting cases, collected from various coal districts of Scotland, illustrating different forms of the disease; Dr PEARSON, in the Philosophical Trans. for 1813, on the "Inhalation of Carbon into the Pulmonary Air Cells;" and in a paper, by Dr GRAHAM, in vol. xlii. of the Edinburgh Medical and Surgical Journal.
Recently, professional and other writers have directed attention to the influence of various occupations in the production of diseases of the chest. The pernicious employment of the needle-pointers, razor and knife-grinders of Sheffield, and other manufacturing towns in England,[1] have not only engaged the attention of the public at large, but science has been at work to ascertain, with as much accuracy as possible, the relative effects of the different avocations, on the constitutions of those occupied in these destructive employments. Researches of this nature tend much to the well-being of society, as they make us acquainted with the maladies and sufferings peculiar to certain classes of our fellow-men; and point out, also, the causes of their early decay, and premature death. The coal-miners--those in whose behalf I would now solicit the intervention of science--are most valuable in their place, and their exhausting labours promote, in no small degree, our domestic comforts.
Some of the diseases of colliers have in past time been very much overlooked by the medical inquirer. There has been, within the last few years, a very searching investigation as to the employment of women and children in coal-mines; and by the laudable exertions of Lord Ashley--a nobleman whose name shall ever be honoured among miners, and by all who have the true interests of that community at heart--an Act of the Legislature has been passed, declaring it unlawful for any owner of any mine or colliery whatever, to allow any female to work therein; and also enacting, that no boy under the age of ten years can be employed in mines. It is to be regretted, however, that his Lordship did not embody in his measure, provisions enforcing the free ventilation of mines under government inspection; for nothing would tend more to improve the health of those employed in them.
In the course of the inquiry, which formed the prelude and basis of Lord Ashley's Act, much valuable information regarding the diseases of colliers was elicited; and no one can peruse the voluminous parliamentary report pertaining to these investigations, without being struck with the very general prevalence of affections of the chest among miners. It is to be hoped, that the interesting facts in regard to disease, which this recent most necessary investigation has laid open, will be the means of directing the attention of scientific men to the subject, with a view to obviate, as far as human efforts can, the evils which have been exposed. It may at first appear difficult, to point out the means of removing effectually the
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