Engelhardt Instrument Serial Numbers

Dates of Manufacture

First Instrument Number of Year

1970 260….

1971 2563..

1972 3885..

1973 5595..

1974 8047..

1975 11474

1976 14007

1977 17043

1978 19729

1979 22449

1980 24625

1981 26839

1982 29155

1983 31064

1984 33265

1985 34968

1986 36706

1987 38888

1988 41320

1989 44132

1990 47305

1991 50797

1992 54185

1993 57442

1994 60339

1995 63392

1996 66510

1997 69533

1998 72650

1999 75801

2000 78836

2001 81485

2002 83571

2003 85145

2004 86567

2005 87977

2006 88952

2007 89856

2008 90856

2009 91200

2010 91855

2011 92363