Timeline for all types of items produced by
Nelsonic Industries

Year	Items
1981	1
1982	3
1983	2
1989	6
1990	3
1991	1
1992	1
1993	2
1994	3
1997	2

24 items with a valid date were considered for this timeline (63.16% of the total)
14 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 9 items.
199?: 5 items.