FIG. 1 is a top-front-left perspective view of a double screen apparatus showing my new design;
FIG. 2 is a bottom-rear-right perspective view thereof;
FIG. 3 is a top-front-left exploded perspective view thereof;
FIG. 4 is a bottom-rear-right exploded perspective view thereof;
FIG. 5 is a front elevated view thereof;
FIG. 6 is a rear elevated view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a right elevated view thereof; and,
FIG. 10 is a left elevated view thereof.
The broken lines in the figures depict portions of the double screen apparatus that form no part of the claimed design and the broken lines showing the stand in FIGS. 1-10 are included for the purpose of showing environmental structure and form no part of the claimed design.