NEW - Glass Plate Negatives Series 4 - 1974 - 1975

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Grimsbury Treatment Works

Grimsbury Treatment Works

Grimsbury Treatment Works

Grimsbury Treatment Works

Grimsbury Treatment Works

Grimsbury Treatment Works

Grimsbury Treatment Works

Grimsbury Treatment Works

Grimsbury Treatment Works

Haddenham, Sewerage Treatment Works, The Vales

Haddenham, Sewerage Treatment Works, The Vales

Haddenham, Sewerage Treatment Works, The Vales

Haddenham, Sewerage Treatment Works, The Vales

Haddenham, Sewerage Treatment Works, The Vales

Heat treatment complex secondary digester

Heat treatment plant

Hedgerley Booster, The Chilterns

Heyford Booster, Exterior

Heyford Booster, Interior

High rate filter

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