1. Sphygmography and cardiography: physiological and clinical Author(s): Keyt, Alonzo T. (Alonzo Thrasher), 1827-1885 Publication: New York : Putnam, 1887 Subject(s): Diagnostic Techniques, CardiovascularPulse -- instrumentation
2. The haemarumascope Author(s): White, Octavius A. (Octavius Augustus), 1826-1903, author Publication: [Philadelphia] : [Lea Bros.], 1877 Subject(s): Blood Pressure Determination -- instrumentationPulse -- instrumentation
