Seeing the photos of Cligga head that have just been added, I notice it shows the pulley still on the tripod in some and not in others. It was 'collected' sometime in the early to mid 70's.
Compare and contrast with the pulley being used in this photo at Snailbeach in the early 90's.........
[photo]Snailbeach-Lead-Mine-Archive-Album-Image-70956[/photo]