WINDOWS FOR AIR RAIDS
NO LONGER SPLINTER F,l> BY BLAST "Blitz" blast need no longer send glass splinters flying in all directions during air raids over Britain this winter. The British Government's Experimental Building Research Station at Watford has successfully tested three new alternatives to unprotected glass windows. The first is used in placc of window glass. It consists ol' netting embedded in thick cellulose acetate film which lets in light and keeps out rain. There is a heavier variety to take the place of north lights, roof lights or other glass on which there is a heavy strain. It equals quarter-inch pWte glass in strength. A third device is a lighter form of cellulose netting fixed to window panes by adhesive. A square ol plate glass covered with this netting was put under a spring-loaded hammer which was brought down upon it. travelling one-eighth of an inch beyond the point ol impact. The shattered glass remained neatly in position under the netting.
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https://paperspast.natlib.govt.nz/newspapers/BPB19411105.2.32.6
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Bay of Plenty Beacon, Volume 4, Issue 176, 5 November 1941, Page 6
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163WINDOWS FOR AIR RAIDS Bay of Plenty Beacon, Volume 4, Issue 176, 5 November 1941, Page 6
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