SERIAL NUMBERS

Found below are approximate movement serial numbers by year of production gathered from several public sources. At this point the data provided in the table below does not match with the confirmed serial numbers submitted to the project and should be treated as a general tool for estimate purposes only.

YEAR	SERIAL NR Alternative 1	SERIAL NR Alternative 2	SERIAL NR Alternative 3	SERIAL NR Alternative 4
1840	100
1845	1,200
1850	3,000
1855	8,000
1860	15,000
1865	22,000
1870	35,000
1875	45,000
1880	55,000
1885	70,000
1890	85,000
1895	100,000
1900	110,000
1905	125,000
1910	150,000
1915	175,000
1920	190,000	800,000
1925	200,000	805,000
1930		820,000
1935		824,000
1940		835,000	900,000
1945		850,000	915,000
1950	700,000	860,000
1955	725,000	870,000
1960	750,000	880,000	960,000	1,100,000
1965	775,000	890,000	975,000	1,130,000
1970	795,000	895,000	995,000	1,250,000
1975				1,350,000
1980				1,450,000
1985				1,600,000
1990				1,850,000