File:Life in Motion Fig 13.png

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English: Fig. 13.—Myograph, an instrument for recording the contraction of a muscle. A, wooden stand; B, vertical brass pillar; C, sliding forceps or clamp for holding upper end of femur of nerve-muscle preparation; D D, short vertical pillars, on the top of which the lever E E works; F, scale-pan for weight; J, marker; G, glass plate; K, counterpoise to keep J in contact with G; H, counterpoise to lever E E. The nerve-muscle preparation is covered with a glass shade, to the walls of which pieces of wet blotting-paper are attached, thus forming a moist chamber to keep the nerve from drying.
Date
Source Life in Motion, or, Muscle and Nerve[1].
Author John Gray McKendrick

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Public domain

The author died in 1926, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 95 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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current17:56, 8 December 2015Thumbnail for version as of 17:56, 8 December 2015965 × 1,215 (309 KB)Keith Edkins (talk | contribs){{Information |Description={{en|1=Fig. 13.—Myograph, an instrument for recording the contraction of a muscle. A, wooden stand; B, vertical brass pillar; C, sliding forceps or clamp for holding upper end of femur of nerve-muscle preparation; D D, shor...

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