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82 for sport programme work. Coloured poster papers must be unaffected by rain. Many coloured papers render printed matter exceedingly difficult to read by artificial light.

The incongruity of a common cover paper to a booklet printed on a good printing paper, or vice versa, is to be avoided. Select papers for the inside and cover bearing both in mind, and if expense is to be considered, a compromise in quality may be effected. It is not always easy to persuade the consumer to select the very best paper for office stationery, but the choice should be made with a view to create a good impression. Remember always, too, that printing demands good paper to produce the most satisfactory effect.

For lithography the work in hand frequently dictates the quality of paper to be used. Offset printing, certainly, has enabled the lithographer to print on papers unsuitable for direct stone printing, but in all work the right paper produces the best result. Fluffy papers, such as featherweights, however, are impossible for lithography. Loose of texture, with a tendency to shed fibre, the paper clogs the printing surface, and in such circumstances the best work is unattainable. Charts and maps are printed on strong, durable papers, and the manufacturers' chart papers will be found to conform to the description given.

Colour work requires a paper which will give full effect to the colours superimposed upon its surface, white paper being most suitable for the purpose, the kind of paper employed being governed by the destination of the printed work. Chromo paper, litho. paper, M.G. poster paper, will be used according to the method of exhibition of the work, as calendars, labels, book illustrations, or posters. Work which is