The ornamental design for a drafting machinescalemagnifierattachment, as shown and described.
FIG. 1 is a perspective view of a drafting machine scale magnifier
attachment showing my new design, the rule portion shown in broken lines
being for illustrative purposes only and forming no part of the claimed
design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a cross-sectional view thereof as taken from line 3--3 of FIG. 2.