Improvements in or connected with Stethoscopes.
Номер патента: GB189707378A
Опубликовано: 05-02-1898
Автор(ы): James Ernest Arnold
Принадлежит: Individual
Опубликовано: 05-02-1898
Автор(ы): James Ernest Arnold
Принадлежит: Individual
Реферат: 7378. Arnold, J. E. March 22. Stethoscopes.-Within the open-ended approximatelycylindrical part A, which is applied to the body of the patient, is arranged a more or less conical vessel B, connected by a tube C with the stem D of the instrument, or with the junction piece of a binaural stethoscope. The edge of the part A is provided with an elastic cushion G, filled with air or glycerine.
Improvement in elastic pitmen or connecting-rods
Номер патента: US172903A. Автор: . Владелец: . Дата публикации: 1876-02-01.