Improvement of road surfaces by the discovery that mixing a small quantity of natural rubber powder with bitumen makes a harder wearing surface. Tests carried out in the laboratories of the British Rubber Producers Research Associations.
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Collection
In ACMI's collection
Credits
Collection metadata
ACMI Identifier
009308
Language
English
Subject categories
Agriculture, Business, Commerce & Industry → Rubber industry and trade
Communications, Infrastructure, & Transport → Road construction
Communications, Infrastructure, & Transport → Roads - Design
Documentary → Documentary films - Great Britain
Sound/audio
Sound
Colour
Black and White
Holdings
16mm film; Access Print (Section 1)