Subject Source: Local sourcesScope Note: Distinguishes audiovisual material in the Library that are part of the 1987 Cataloged Film Collection created under the direction of Nina Root.
Found in 1 Collection or Record:
The $2,000,000 J.P. Morgan gem collection ; Lampreys ; Antarctic animals
Identifier: Film Collection no. 32
Scope and Contents SEGMENT 1: The $2,000,000 J. P. Morgan Gem Collection. Brian Mason, AMNH curator of physical geology and mineralogy, describes the museum's collection of gems, which consists of diamonds, rubies, sapphires and emeralds. Mason discusses how these gems were cut and polished, using films produced by DeBeers Consolidated Mines Ltd. and E. J. Mauther. The reasons why the stones are so valuable are also examined. SEGMENT 2: Lampreys. Lampreys and their detrimental effect on the fishing industry in...