Director: Louis Dahl
A cartoon history and development of lubricants from the time of the Egyptians - the first known engineers - to the present day.
The theoreticians in this field included Leonardo da Vinci, but it was not until 1883 that Beauchamp Towers in his researches into friction losses in shaft bearings discovered the principles of lubrication in use today.
The story of uranium. In the Southwest there lies a land of stone. 100,000 square miles of rainbowed rock spread out where Colorado, Arizona, Utah and New Mexico meet. Beneath these mesas lie the bed… More »
Discovered 150 years ago, titanium remained a curiosity until the 1920's when paint manufacturers realised the unique advantages of titanium dioxide as a pigment. After outlining the history of the p… More »