Do U know these....?

Dr. NAC

Well-known member
  • Nov 6, 2011
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    8° 21′ 0″ N, 80° 23′ 0″ E
    Simple animations to explain complex principles

    1, aircraft radial engine

    securedownload4a.gif





    2, oval Regulation

    securedownload3.gif





    3, sewing machines

    securedownloadbl.gif





    4, Malta Cross movement - second hand movement used to control the clock


    securedownload2.gif





    5, gun ammunition loading system

    securedownload1.gif
     
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