Handbook of the sphygmograph : being a guide to its use in clinical research : to which is appended a lecture delivered at the Royal College of Physicians on the 29th of March 1867 on the mode and duration of the contraction of the heart in health and disease / by J. Burdon Sanderson.

Date:
1867
Catalogue details

Licence: Public Domain Mark

Credit: Handbook of the sphygmograph : being a guide to its use in clinical research : to which is appended a lecture delivered at the Royal College of Physicians on the 29th of March 1867 on the mode and duration of the contraction of the heart in health and disease / by J. Burdon Sanderson. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.

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    FiGrRE 1.—The Sphygmograph applied to the Fore-arm, Figure 2.—Enlarged view of the frame of the Sphygmograph in profile, shewing the arrangement of the levers. A a' a, the writing lever, the axis of which is at c ; K, the spring; B, the lever by which the movements of k are transmitted to a ; d, its knife edge; t, an adjusting screw for varying the distance between k and d according to the pressure required ; p, an adjusting screw for permanently adjusting the spring at the proper obliquity; p, g, the box in which the clockwork is contained; t, m, the traveller. K.B. The same letters are used in both figures. [Tb be inserted opposite the Title-page.