FIG. 1 is a top plan view of a readily disassembled instrument housing showing one form of my new design;

FIG. 2 is a side elevational view of the instrument housing shown in FIG. 1;

FIG. 3 is a bottom plan view of the instrument housing shown in FIGS. 1-2;

FIG. 4 is an end view of the instrument housing shown in FIGS. 1-3;

FIG. 5 is a cross-sectional view taken through FIG. 1 along the line 5--5;

FIG. 6 is a top plan view of a readily disassembled instrument housing showing a modified form of my new design;

FIG. 7 is a side elevational view of the instrument housing shown in FIG. 6;

FIG. 8 is a bottom plan view of the instrument housing shown in FIGS. 6-7;

FIG. 9 is an end elevational view of the instrument housing shown in FIGS. 6-8; and

FIG. 10 is a cross-sectional view taken through FIG. 6 along the line 10--10.