Timeline for all types of items produced by
Duckworth Home Computing

Year	Items
1983	40
1984	30
1985	4
1986	3
1987	1

78 items with a valid date were considered for this timeline (89.66% of the total)
9 items with an invalid date.

Help us in our quest to find exact dates for:

198?: 8 items.
19??: 1 item.