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Harpenden History
Home of the Harpenden and District Local History Society
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Scientific work
Scientific work
Creekmouth Village
Built by John Bennet Lawes for workers at his Chemical Factory on the Thames
The Elliott 401 Computer at Rothamsted
First electronic computer in civilian research
The Pathology Labs
Ministry of Agriculture, Food & Fisheries labs at Hatching Green
Businesses, trades, employment
Businesses
Manufacturers
Trades
Horticulture
Scientific work
