15291. Vegetation and soil (29:50)

Date:
1955
Summary:
Dr. Sumner explains how land surface is considered the most precious of all natural resources since it and climate together produce soil and determine the nature of vegetation. As an example of uncultivated plants which are a rich natural resource, Dr. Sumner cites our nation’s timber supplies. He points out that recent progress in reforestation has not equalized our consumption and growth of timber.

15292. Vel "Dish Soap" (01:04)

Date:
1962
Main contributors:
Vel
Summary:
A male and female narrator explain the benefits of Vel’s dish soap such as how it is softer than baby soaps and it cleans grease off of dishes.

15293. Velocity of chemical reactions (10:58)

Date:
1938
Summary:
Reveals how the nature, concentration, and temperature of reacting substances affect the velocity of chemical reactions. Through laboratory experiments and animated drawings demonstrates and explains the role of these factors with respect to the velocity of molecules, spheres of influence; and vibrational energy. Through animation explains reversible reactions and the abstract processes of chemical equilibrium.

15296. Venezuela : the making of a government (59:23)

Date:
1963
Summary:
Records highlights of the emergence of democratic government in Venezuela. Shows that the Venezuelan election of December 2 1963, allowed for the first transfer of office from one democratic administration to another in that nation's history. The film documents numerous national problems and aspects of the political campaign. Factors included for examination are the importance of the military, the terrorists' campaign to prevent the election, and the problems of illiteracy and poverty. Refers to the large political setting of Venezuela within Latin American history. Shows the failure of the Cuban-backed terror campaign to keep the people from voting. Includes interviews with Past-President Betancourt and President-Elect Leoni.

15297. Venice 1963 (15:06)

Date:
1963
Main contributors:
Edward R. Feil
Summary:
Travelogue documenting Ed Feil's trip to Italy in 1963. Feil's film "Cleveland Institute of Art" is showing at the Venice Film Festival. Shares footage with Italy '63 (barcode 40000003364033).

15300. Venture adventure (07:43)

Date:
1941
Main contributors:
Hasse, Charles, 1904-2002
Summary:
Short film on the Air Training Corps of the British Royal Air Force, showing recruiting, enlistment and training.