| http://www.w3.org/ns/prov#value | - A preferred form of the invention is illustrated in the accompanying drawing, wherein: Fig. 1 is an elevation of a typical dispensing 55 apparatus incorporating the novel flow indicator; Fig. 2 isa side elevation, partially in section, of the improved indicator on an enlarged scale; Fig. 3 is a plan view of the device shown in Fi .2; Fig. 4 is a perspective of the novel fiow-respon- .5; sive eleme
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