[Peerpress-xml] Tle-filling. As the specification

Norsingle phosphorism at fub.edu
Mon Aug 31 20:51:39 CEST 2009


Y of search the subclasses succeeding. Example: In Class 80,
Metal-Rolling, it would not be expected to find any tube-rolling mill
lower in the schedule than the tube-rolling subclasses, but a tube-mill
might be found higher up in "Heating and rolling," "Drawing and
rolling," etc. No concave and roll combination should be found
succeeding the subclass of "Concave and roll," but it may be found under
subclasses above, such as "Tubes, Screw-threads," etc. No rolls should
be found lower than the subclass of "Rolls," but they may be found in
many subclasses above. DEFINITION. (13) Having some knowledge of the
nature of the materials about to be classified, a tentative definition
of a class to be formed may be framed, which may be either written down
or merely carried in mind, to serve as a tentative guide. This tentative
definition must be considered as subject to change to any extent by the
fuller knowledge obtained by careful consideration of the material.
After a full knowledge of the materials to be classified has been
acquired, it will be necessary to frame a careful definition of the
class, and also of each subclass whose title does not unequivocally
indicate what is contained in it. (14) A definition of any class should
state the "qualities and circums
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