Colour measurement and mixture. (Romance of science ser.) pp. 207, illus. sm. 8o. 1891
Colour.
Abney, W. de W. Colour measurement and mixture. 1891
Romance of Science series:
Abney, W. de W. Colour measurement and mixture. 1891
Science.
See also Romance of science series.
It is an excellent rule to follow that a subject must have at least two books upon it before it is entitled to a “heading,” such as the second of the above entries has. In the event of the library possessing but this one book upon the subject by the time the “copy” has to be sent to the printer, it would then be reduced to title form, as
Colour measurement and mixture. Abney, W. de W. 1891
78.—The third entry is under the name of the series. Where space is a consideration, and only brief entries can be given, the cataloguer can omit either the name of the series from the principal entry and retain the entries under the title heading of the series, or he may reverse the process and leave out this third entry, as he may deem most expedient, but if possible both should be retained, as they afford useful information—in the first entry showing that the book is one of a particular series, and thereby giving some idea of its character and scope, indeed it would not be amiss for the same reason to include it in the second entry, and the third entry form furnishes a list of the books of this particular series in the library.