Twelve tips on using double slide projection.

Double slide projection is not a technique that everyone will choose to use. It is a technique, however, which does offer the lecturer a number of advantages and it is not difficult to implement in the average lecture theatre. Careful consideration, however, must be given to the use to which the two projection system is to be put. In this paper 12 tips are given in the use of double slide projection and 10 possible uses for double slide projection are described. Three ways in which the lecturer can control the slide changes are presented.