Electrical transformer

The ornamental design for an electrical transformer, as shown and described.

FIG. 1 is a top view of the electrical transformer of the present invention.

FIG. 2 is a side elevation thereof, the other side being a mirror image.

FIG. 3 is an end elevation thereof.

FIG. 4 is an elevation of the end opposite that shown in FIG. 3.

FIG. 5 is a perspective view taken from the end and side thereof.

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D682204,	Mar 26 2012		Transformer

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