
Edison telephone peg switchboard and pegs, 1879
1879
1879
1917
1858
1900-1910
1837
1856
1859
1894-1904
1899
1839-1840
1898
1850-1900
1898
1894-1904
1894-1904
1856-1857
1850
1898
1894-1904
1900-1910
1894
1900-1910
1896
1900-1910
1894-1904
1902
1837-1846
1837
1840-1850
1884
1903
1851
1899
1840
c.1912
c.1912
1893
1904
1911
1865
1885
1897
1855
1845-1855
circa 1900
circa 1850s
1915
1905
1903
1890