Photograph - Photograph - Grout Machinery, n.d

Historical information

Port of Portland Authority archives

Physical description

Black and white photograph of piece of machinery.

Inscriptions & markings

Front: (no inscriptions)
Back: Concrete Mixer & Diaphram pump/ for Grated Concrete testing./ PHT had its own Concrete Laboratory for Testing 1958 (pencil, top) Grout Machinery (blue pen, centre)

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