Connections 7 -- the Long Chain

Year Published: 1979

Creator: British Broadcasting Corporation

Format: 16mm

Sound: sound

Description: Connections 7 -- the Long Chain Search Educational Film Journals at Media History Project for references to this film Summary Traces the connection between 17th century mercantile competitio./iahe development of a coal - tar pitch to protect ship hulls, and the creation of waterproofed clothing, gaslight lamps, and nylon. Number 7 of the series.

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