| http://www.w3.org/ns/prov#value | - Referring now to the drawings, and particularly to FIGS. 1-4, the sample supply means of the hereindisclosed preferred embodiment of our invention comprise essentially a housing 11; with. indexable turntable assembly 12, turntable drive means 13, sample and reagent take-off assemblies 14 and 16, respectively, takeoff assembly actuating mechanisms 17, timing mechanism l8, and reagent receptacle 20,
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