A simple one-second conversion to its horizontal position makes it an overhead projector capable of handling 5 in. x 5 in. transparencies. ... Portable Voice- Flector for language practice eliminates need for special classrooms, partitioned booths, earphones, ... User can easily see classroom visuals. ... the a desk top and is fastened into position wit Phillips-head screws. ... The course includes two 12-in. long-playing record* an alphabetical phrase index, and the conversation manual, anbsp;...