overhead condenser
31Flxible New Look bus — The Flxible New Look bus was a transit bus introduced in 1960 by The Flxible Company. Regular production began in 1961 and continued until 1978 when the New Look was replaced by the 870 Advanced Design Bus. Over its 17 year production run 13,121… …
32Naphtha launch — An Escher Wyss launch of 1888 Alfred Nobel s aluminium hulled …
33Operation Sandblast — Part of Cold War (1953–1962) …
34fresnel lens — F/A/V a flat glass or acrylic lens in which the curvature of a normal lens surface has been collapsed in such a way that concentric circles are impressed on the lens surface; often used for the condenser lens in overhead projectors, in rear… …
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