MAKE A MEME View Large Image Cape Don Light - apparatus drawing plan, 1915.jpg en Cape Don Light - single flashing apparatus of 500mm focal distance with lantern of 10-9 diameter inside glazing - drawing plan 1915 http //recordsearch naa gov au/scripts/Imagine asp B ...
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Keywords: Cape Don Light - apparatus drawing plan, 1915.jpg en Cape Don Light - single flashing apparatus of 500mm focal distance with lantern of 10-9 diameter inside glazing - drawing plan 1915 http //recordsearch naa gov au/scripts/Imagine asp B 6673005 author 1915 PD-Australia Cape Don Light Images from the National Archives of Australia Fresnel lens diagrams
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