Asked for on occasion but not managed to find these elsewhere on the net so here you go, taken from Jack Karnehm's 'Understanding Billiards and Snooker' from the early 80s.
Need to remember to take into account cut induced throw for slow rolls and stuns as per Dr. Dave's article here https://billiards.colostate.edu/tutorial/throw
Hope they help, various discussions / barneys about their use in practice to be found elsewhere...
BTP
Snooker Half Ball Diagrams 2 by BTP, on Flickr
Snooker Half Ball Diagrams 1 by BTP, on Flickr
Snooker Half Ball Diagrams 3 by BTP, on Flickr
Need to remember to take into account cut induced throw for slow rolls and stuns as per Dr. Dave's article here https://billiards.colostate.edu/tutorial/throw
Hope they help, various discussions / barneys about their use in practice to be found elsewhere...
BTP
Snooker Half Ball Diagrams 2 by BTP, on Flickr
Snooker Half Ball Diagrams 1 by BTP, on Flickr
Snooker Half Ball Diagrams 3 by BTP, on Flickr
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