Volume 2

Collected works of Francis Sibson / edited by William M. Ord.

  • Francis Sibson
Date:
1881
Catalogue details

Licence: Public Domain Mark

Credit: Collected works of Francis Sibson / edited by William M. Ord. Source: Wellcome Collection.

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    the outlines of the organs with chalk on a piece of black lace, stretched on a frame, and placed over the body. I transferred these outlines to paper, and reduced them by a pentagraph. The tracing-frame and the pentagraph were the 'suggestion of my friend Dr. Hodgkin. Engravings from these diagrams were published, in the papers referred to above, in the Provincial Medical and Surgical, and the Philosophical, Transactions, and very recently in the Medical Gasette. Mr. Kaim, of Nottingham, has taken for me the daguerreo- types which accompany this paper. The outlines of the organs in the tranquil state, and during the deepest possible inspiration, were previously traced on the skin. Two suc- cessive daguerreotypes were taken from each person, one showing the form of the chest and the position of the organs in the tranquil state ; the other showing the changes produced when the lungs were expanded to the full. PART I. ON THE MOVEMENTS OF RESPIRATION IN HEALTH. We cannot of course recognise the respiratory movements in disease, unless we know what they should be in health. I shall, therefore, detail what I have observed to be those movements in health. The materials for the inquiry consist in the diagrams above referred to; tabulated observations of the position of the thoracic viscera in the tranquil state, and during a deep inspiration, in eighty persons, of both sexes and various ages, in whom the lungs and heart were healthy; and tabulated observations made with the chest-measurer, of the movements of the ribs and abdomen in fifty-seven persons free from