Glass Plate Negatives Series 2 - 1909 - 1959

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Green Lanes Primary Filters front view

Green Lanes Primary filters looking north

Green Lanes Primary filters looking north

Green Lanes Primary filters looking south east

Green Lanes primary filters, 18" pipes in centre passage

Green Lanes Primary Filters, air blowing at filter No.6

Green Lanes primary filters, bed showing pipes

Green Lanes primary filters, bed showing pipes and shingle

Green Lanes Primary Filters, centre tower

Green Lanes primary filters, centring for floor

Green Lanes primary filters, columns in passage

Green Lanes primary filters, concreting floor

Green Lanes Primary Filters, distribution box

Green Lanes primary filters, east control house

Green Lanes primary filters, excavation in south east corner and concrete placer

Green Lanes primary filters, excavation in south east corner placer and excavator

Green Lanes primary filters, filter empty with piece of concrete trough and pipe

Green Lanes Primary Filters, filter No.6 empty

Green Lanes Primary Filters, filter No.6 full

Green Lanes Primary Filters, filter No.6 ready for washing

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