If both elements of skill and chance are present, the test is whether the element of chance predominates over the element of skill, or whether the element of chance is present in such a manner as to forte the element of skill.
Your correspondence merely states 'In these machines it can be generally said that they are subject to a degree of control by the player.' In the absence of having before us detailed information as to the operations of the specific machines in question, we can only turn to a review of court decisions involving similar devices. At this point, of course, it would be of distinct assistance to have before us a factual summary as to the mechanics and details of the operations of each device involved to determine whether there is any element of skill involved or more important, whether skill predominates over chance.