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A Pneu-Art terminal in Shaws, Portlaoise, probably dating from the 1960s or 70s. It consists of a metal box with a glazed air-tight door. Westwood and Westwood point out that such terminals raise the cost of an installation over the cost of "ordinary terminals", but post-war installations generally seem to have used this type.
A different design of Pneu-Art terminal from with concealed hinge and separate handle. It is in "Tropic Tan" finish and the inlet and outlet tubes are on the left - see the brochure below. (This is from Fairhead's of Ilford, now in a private collection and placed outside for photographing.)
A well-concealed Pneu-Art terminal recessed into the wall. Note the characteristic pigeon-holes for holding carriers on the left.
Diagram of Pneu-Art terminal and pedestal from Lamson brochure (Syracuse, NY: Lamson Corp., 1952).
Dimensions of the terminal from the same brochure.