Outlines the structure of the moon; describes and explains the phases of the moon by means of animation, flat drawings, photographs, and special models. A recent addition to the G.B.T. Mathematical Geography Series.
Ostriches in South Africa against their natural surroundings; details of foot movements, the birds en masse, the hen bird and eggs, the newly-hatched chicks. ... More »
One of a series produced by a specialized film unit concentrating on wildlife studies. Re-edited by the Educational Foundation for Visual Aids for use in British schools. ... More »