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  1. Undersea Gas Pipe

    Date released
    23 Oct 1977
    Series name
    British Movietone News
    Issue no
    2525
    NoS ID
    031049
    Story no
    1 / 3

    MOVIETONE CARD TITLE: Undersea Gas Pipe. DESCRIPTION: To carry North Sea Gas from the Anglo-Norwegian Frigg Field a pipeline has had to be laid beneath the Firth of Forth. A 3 mile channel was dredged...

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  2. Hydraulic Ram, The (1983 Video)

    Subject
    Technology
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Perpetual motion machines are nothing but fantasy - an attempt to get something for nothing. The hydraulic ram, a self-pumping pump, seemingly does this. Using energy analysis, the programme explains why.

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  3. First Law (1993 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. Standard formats. col. 25 min., 1999 sale: £85.00 (+VAT +p&p)

    Explores the first law of thermodynamics in terms of the energy inputs and outputs of a particular device, the hydraulic ram. The idea of perpetual motion machines is a fantasy, but it is used here to cue...

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  4. Tin Opener to Save Lives

    Date released
    17 May 1965
    Series name
    British Movietone News
    Issue no
    1876
    NoS ID
    025991
    Story no
    4 / 5

    MOVIETONE CARD TITLE: Tin Opener to Save Lives. DESCRIPTION: A new device for saving lives in crashed cars, has been invented. It is a two ton van equipped with an air compressor and a range of pneumatic...

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