phrenograph

plural phrenographs

1. medicineAn instrument for registering the movements of the diaphragm, or midriff, in respiration.

   Without varying the adjustment of the phrenograph take a tracing while repeatedly interrupting the respiration by holding the nostrils. What does the phrenogram show?

   1904, Winfield Scott Hall, A Manual of Experimental Physiology for Students of Medicine

   1 more example

   Finally, it has been found possible in various ways to record the diaphragmatic movements by the insertion of tn elastic bar connected with a tambour into the abdomen below it (phrenograph) , by the insertion of needles into different parts of its structure, or by recording the contraction of isolated strips of the diaphragm.

   1902, William Senhouse Kirkes, Kirkes': Handbook of Physiology, page 266

2. A phrenological profile; a delineation of a person's characteristics based on a phrenological examination.

   Selina Campbell, who was the one who ordered the phrenograph in the first place, almost certainly read it in a different light.

   2002, Leroy Garrett, The Stone-Campbell Movement, page 268

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   The accuracy and value of a phrenograph, therefore, must depend upon the learning, judgment and skill of the person who makes it, and its defects should not be charged to phrenology considered as a system of mental philosophy.

   1895 February, “Regarding Phrenographs”, in The Phrenological Journal