It is expected that by 1948 all of the 500 high schools will be equipped. ... For example, a Unit on aquot; Water Supply aquot; has one main film running for 20 mins.; five 3 -5 min. short films on subjects arising out of the ... also there are three cycle films showing in diagram form the action of the pumps used; film strips deal with the history and sociology of water supply. ... minutes, and separated by blanks so that the film can be stopped to discuss the questions embodied both visually and verbally.
Title | : | Suggestions for Science Teachers in the Devastated Countries |
Author | : | J. P. Stephenson |
Publisher | : | - 1948 |
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