Marey sphygmograph and case
1857-1870
1857-1870
1861-1866
circa 1861
1862
1850-1859
1849
1855
1870
circa 1840
1860
1846-1859
1842
1850
1842
1845-1855
1840-1850
1847
1842
1845
1845
1858
1858-03-02
1865-1866
1854
1858
1848
1858
1851
1857-1858
1865
1857-1858
1857-1858
1866
1865
1850-1870
1934
circa 1854
circa 1854
1850-1856
1863-1865
1860
1851
1850-1859
1850
1850-1860
1855
1849
1850
circa 1860
1857