Excursions in Science No. 2
- Media type
- Film
Excursions in Science No. 2 · Excursions in Science No. 2 · MOVIE
Documentary 1936
About this title
Toothless gears (actuated by magnetism); a photoelectric sorter, for beans; the manufacture of lamps. Well photographed and adequately narrated, this holds interest all through. Especially absorbing is the last section.