A TEXT-BOOK OF PAPER-MAKING;by C. F. CROSS AND E. J. BEVAN (1888)

PREFACE.

Thepractical portion of the present work has in part alreadyappeared as an article, by one of the authors, in ‘Spons’Encyclopædia of the Industrial Arts.’ Since its publication,however, many and important improvements have been introducedin this, as in other branches of the art of paper-making,which necessitated considerable additions to theoriginal article. It has at the same time been to a greatextent re-written, and, as the authors hope, improved.

Our object in writing this book has been to bring beforestudents and others the principles upon which scientificpaper-making should be conducted, a concise exposition ofwhich has not, we believe, been hitherto attempted.

Considerable prominence has been given to this aspect ofthe subject, possibly at the expense of what some may considermore essential details.

A belief in the importance of a thorough scientific trainingfor paper-makers has dictated the style and purpose of thebook.

We have not thought it necessary to enter into minutedetails respecting the construction of machinery, &c.; forthese the reader is referred to such works as Hofmann’sTreatise on the Manufacture of Paper.

Much of the scientific portion is here published for the firsttime. Part of it has already appeared in the form of papersread before various societies.

The chapter relating to the Treatment of Wood formedthe subject of an essay, which obtained theprize offered bythe Scottish Paper-makers’ Association, in connection withthe Edinburgh Forestry Exhibition, 1884.

We would here express our obligations to Messrs. G. andW. Bertram, Messrs. Masson, Scott, and Bertram, Messrs.Rœckner and Co., and others, for their courtesy in furnishingus with the drawings from which the illustrations were prepared;to Dr. C. R. A. Wright, F.R.S., who kindly communicatedthe substance of the chapter on the Action ofCuprammonium on Cellulose; to Mr. Carl Christensen, fordrawings and information regarding the manufacture ofmechanical wood-pulp; also to the following friends, amongothers, who have, in various ways, rendered us importantassistance:—Messrs. R. C. Menzies, C. M. King, G. E. Davis,A. Beckwith, and C. Beadle.