Tuning fork
FIG. 1 is a front elevational view of a tuning fork showing my new design; 
     FIG. 2 is a side elevational view; 
     FIG. 3 is a view like FIG. 2 with one of the two outer members of the tuning fork removed; 
     FIG. 4 is a top plan view; 
     FIG. 5 is a bottom plan view; and 
     FIG. 6 is a view like FIG. 5 with the outer members shown in section at the location of line 6--6 in FIG. 1.