Page View
Nature
(Thursday, December 18, 1873)
A. H. G.
On the secondary waves in the sphygmograph trace, pp. 125-126
Page 125
![[page image]](http://images.library.wisc.edu/HistSciTech/EFacs/Nature/Nature9/M/0141.jpg)
Based on date of publication, this material is presumed to be in the public domain.| For information on re-use, see: http://digital.library.wisc.edu/1711.dl/Copyright




