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Marey's tambour with equilibristic recording lever (stylus) and hinge adjustment with the same advantages like n° 3760 and n° 3761, but with an extra stopcock to produce the zero pressure. The bearing of the writing lever may be taken out for comfortable exchanges of the membrane.
(Mareyscher Tambour mit äquilibriertem Schreibhebel und scharnierartiger Feinstellung für denselben, hat die gleichen Vorzüge wie Nr. 3760 und 3761, besitzt aber außerdem einen Abschlußhahn zur Herstellung des Nulldruckes.)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0005, fig. 3767) |
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Marey's tambour with vertical membrane. The air capsule is connected with the lever by an angle joint; as it is standing upright, there is no load of the recording lever on it. In cases of overpressure it can be set horizontally by a screw and by fine adjustment to the drum. After connecting to the tube the zero pressure can be produced by the stopcock.
(Mareyscher Tambour mit vertikaler Membran)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0005, fig. 3770) |
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Volume recorder (indicator) according ot Maaß for the graphical registration of all physiological processes with volume variations. The lateral outlet serves for producing the zero pressure. Due to the pressurelessness and the lightness of the moved masses and the avoidance of friction the instrument is able to follow the smalles and fastest displacements properly and to record the variations of volume proportionally and constantly for the analysis. With 3 exchangeable air capsules for different sensibilities and tripod clamp with micrometer fine adjustment for the writing point, upholstered wooden case inclusive.
(Volumschreiber nach Maaß zur graphischen Registrierung aller physiologischen Vorgänge, die mit Volumenschwankungen verbunden sind.)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0006, fig. 3780) |
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? Wave recorder (ondograph, oscillograph?) according to Fick (Lgdff., 216). The capsule, that is covered with finest rubber, acts on the elastic spring, of which the movement is recorded enlarging by a recording lever (stylus). The spring as well as position of the capsule with a diameter of 13mm and a borehole of 1 mm may be changed for the enlargement of the excursion. The delivery implies three springs of different sizes and three levers of different lengthes.
(Wellenzeichner nach Fick. (Lgdff., 216.))
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0007, fig. 3800) |
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Piston (valve) recorder. A very light and hollow hard rubber piston, that is connected to the recording lever by a double joint, is moving in a glass cylinder. The equilibristic lever is turnable in fine steel points. The lever enlargement is adjusted by a nut. The tube point serves for regulating the zero pressure, with micrometer fine adjustment for the writing lever.
(Piston-Rekorder)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0007, fig. 3805) |
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Metal tonograph according to v. Frey. With flat platinum-iridium currugated iron tin of 15 mm diameter with the advantages of unchangingness, durability and compactness. The recording lever S is inserted into a metal sleeve and is positioned with two fine steel points in a small pan of the support T, in which it is pressed with constant pressure by the the spring F. The lever enlargement is changed by shifting the support T; a screw, that is positioned below, lifts T for the horizontal adjustment of the lever. The micrometer screw S acts securely and easily on the leading of the stylus point up to the sooted surface. The apparatus operates reliably even at very small variations and shows also with strong deformations no elastic after-streching.
(Metall-Tonograph nach v. Frey)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0008, fig. 3815) |
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Mercury manometer according to Ludwig-Cyon, with inclined tree-way cock.
(Quecksilbermanometer nach Ludwig-Cyon, mit schrägem Dreiweghahn.)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0009, fig. 3830) |
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Mercury manometer according to Böhm. Luted parts are avoided by the use of an u-shaped easily exchangeable glass pipe and substituted by rubber connections. For the airtight seal serves a squeezing cock and a clock piece on the top of the glass pipe, which facilitates the cleaning and removing of the air bubbles due to its straight-lined position. The manometer is protected by an iron case. The clamp socket for fixing the kymograph may be screwed on in different heights. The float consists of an ivory rod; its steel needle is let within a fine polished steel edge.
(Quecksilbermanometer nach Böhm)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0009, fig. 3831) |
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Arteriograph according to Friedenthal to record the pulsation without arteriotomy; a hard rubber plate that is connected unyieldingly with the stand is put below the artery, so that a fine dial test indicator with truss pad is lying upon the artery. The dial test indicator is bended in the elbow and transmits the pulsation by its point multifoldly enlarged to the elastic rubber membrane of the recording capsule, which can be inserted into the rod against the pulsing point of the dial test indicator. Than the pulsation is transported to the recording apparatus by a flexible hose line.
(Arteriograph nach Friedenthal. Derselbe bezweckt, die Pulsation bei nicht geöffneter Arterie aufzunehmen)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0010, fig. 3850) |
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Vertical recorder, small type for muscular twitching etc.
(Vertikalschreiber in kleinerer Ausführung, für Muskelzuckungen usw.)
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1922 |
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taken from: Zimmermann, E. 1922. Liste 45: Über Tamboure, Kurvenmeßtische u. dgl.
(p. 0012, fig. 3883) |
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