Specification of Marc Antoine François Mannons
Subtitle: apparatus for ascertaining the presence and degree or cessation of vitality in the human body, &c
Publisher: Great Seal Patent Office; George E. Eyre and William Spottiswoode)
Published: 1862
Place of publication: London
Language: eng
Number of pages: 12
Subjects: Stethoscopes; Vibration; Death; Acoustics
Description: Patent for a device, the Dynamoscope, which "reposes on the theory that the degree of vital energy in animated beings is in direct ratio to the rapidity, intensity, and number of the vibrations of the nervous system". A little like a stethoscope.
Notes: Cover title.

At head of title: A.D. 1861, 26th October. No. 2683.