Road research . This massive machine is completely mobile . It is used for making experimental tarmacadam and asphalt mixtures. The laboratory has recently produced asphalts in cream yellow red green and blue at a cost not much greater than ordinary asphalt. The new colours may be used in the grounds of the 1951 Festival of Britain Exhibition. 1950 Road Research 1950ish
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Creative#:
TOP19211034
Source:
達志影像
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RM
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須由TPG 完整授權
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