Fifty Years Ago .... from the pages of Computer Weekly
/PDP-8/E aid to Soil Analysis: Soil samples are being analysed automatically for lime requirement, phosphorus, potassium and magnesium at Johnstown Castle Research Centre, Wexford, Ireland, by specially designed equipment under the control of a 4K Digital Equipment PDP-8/E. Liquid extracts of the soils are mixed with reagent and pumped from a sample transporter to linked test-tubes on a sample changer (….)
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