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Alarm whistle for use by psychiatric warders
1890-1914
1890-1914
1826-1842
1866-1900
1870-1910
1870-1910
1850-1900
1822-1869
1855-1880
1880-1930
1860-1890
1945-1955
1830-1890
1860-1900
1850-1900
1830-1890
1880-1920
1870-1910
1870-1910
1850-1900