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			 The ornamental design for a multiple function image switching attachment for a telescope or similar article, substantially as shown and described.  | 
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FIG. 1 is a top plan view of a multiple function image switching attachment for a telescope or similar article showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a side elevational view thereof; and
FIG. 6 is a cross-sectional view thereof, taken along line 6--6 of FIG. 2.
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