"The definitive history of a technology that was used in research and practice in Europe and America beginning with the invention of the sphygmograph by German physiologist Karl Vierordt in 1854" (W. Bruce Fye).
"The definitive history of a technology that was used in research and practice in Europe and America beginning with the invention of the sphygmograph by German physiologist Karl Vierordt in 1854" (W. Bruce Fye).
