Grain Of Ability

Shows the manufacture of fused alumina and silcon carbide and the production and use of bonded and coated abrasive products and of refractory ware.

Related films

Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record