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Dating Wheatstone Concertinas


SERIAL NUMBER YEAR OF MANUFACTURE
100 - 300 1835 - 40
1,600 - 2000 1848 - 50
3,200 1850
4,000 1851 - 52
5,000 1853 - 54
10,000 1860
18,000 1870
21,000 - 22,000 1885 - 90
24,000 1900
27,000 1915 - 20
30,000 1925
32,000 Early 1930s
35,000 1939
No instruments made 1940 - 1950
35,500 Early 1950s
36,500 1959 - 60
37,000 - 39,000 late 1960s

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