To see contemporary News-Reel
footage:
Try http://www.itnsource.com/compilation/S09040701/?s=speed
Then select "Land Speed Records"
from http://www.auto-history.tv/index1.html
Also http://www.britishpathe.com and
search
for Malcolm Campbell, John Cobb, George Eyston, Henry Segrave, Parry-Thomas,
Kaye Don