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Show Seems Like Good Idea A western inventor has patented a system of building construction carried car-ried out on the principle of a thermos bottle. A building of any kind, bungalow, bun-galow, large house or commercial structure, has double walls with a vacuum between. The Inventor claims that 50 per cent of the usual heating costs can be saved hy his idea. The air space keeps the interior of the building warm in winter, cool in summer, sum-mer, damp proof nnd sound proof. Also, cheaper construction cost and upkeep are claimed. |