| http://www.w3.org/ns/prov#value | - My objects are attained in the manner illustrated in the accompanying drawing, in which- Figure 1 is an elevation of a typical form of my invention, one of the parts being shown broken away in order the better to show the construction; Figure 2 is an elevation in central section of what may be considered to be the generic form of the principal element of my invention; Figure 3 is a central section
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