There's a guy on eBay UK selling what he claims to be 3 reels of 16mm camera test footage from Young Indiana Jones. Take a look:

http://cgi.ebay.co.uk/Young-Indy-Indiana-Jones-16mm-film-camera-tests-reel_W0QQitemZ250096553925QQcategoryZ1477QQrdZ1QQcmdZViewItem
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=250096553892&ssPageName=ADME:B:SS:UK:1
http://cgi.ebay.co.uk/Young-Indy-Indiana-Jones-16mm-film-camera-tests-reel_W0QQitemZ250096553910QQcategoryZ1477QQrdZ1QQcmdZViewItem

Apologies, I don't know how to link directly to a page.