This listing has been produced from information supplied by Reg Ingold in Australia.
A few numbers are not that clear, so a stab at the correct number has been made, corrections would be welcome!
Bosch Magnetos
Year Serial
1902 14147
1903 24131
1904 42571
1905 75753
1906 123210
1907 185329
1908 251268
1909 434566
1910 646345
1911 933508
1912 1335331
1913 1567965
1914 1758030
1915 1798093