AMERICAN FORESTRY'S ADVERTISERS 



•in— ■-■■•-^■ii^— mi^^ii- 



-■■^^■y^^M^^H^— ■■^^■■^■— • 



What The Forester Should Read 



Mechanical Properties of Wood 



By Samuel J. Record, M. A., iM. F., Assist- 

 ant Professor of Forest Products, Yale 

 University. 



This book is divided into three parts, as 

 follows: Part I, Fundamentals, Considera- 

 tions and Definitions, Strength and Tough- 

 ness, etc. Part II, Factors Affecting the 

 Mechanical Properties of Wood. Part III, 

 Timber Testing. The appendix contains 

 sample working plans and tables of strength 

 of various woods. 



165 pages, 6 x 9, 52 figures, 22 tables. 

 Cloth, $1.75, net. 



The Principles 



of Handling Woodlands 



lU- Henry Solon Graves, Chief Forester, 

 F'orest Service, U. S. Department of 

 Agriculture. 



Considering that there is a great need of 

 systematic works covering the dift'erent 

 branches of forestry, for the use of owners 

 of woodlands, and for practicing foresters, 

 the author has presented this volume cover- 

 ing the silvicultural treatment of woodlands. 



325 



pages, 5 1-4 x 8, 63 figures. | 



Cloth, $1.50 net. ! 



FREE EXAMINATION. NO CASH IN ADVANCE. 



If you have an account with us, or can supply a reference, our books will be sent 

 for ten days' free examination, without cash in advance. At the end of this time you 

 are to remit their purchase price, or return them, postpaid. 



JOHN WILEY & SONS, INC. 



432 FOURTH AVENUE NEW YORK CITY 



London: CHAPMAN & HALL. Limited 

 Montreal, Canada: RENOUF PUB. CO. 



TIMBER ESTIMATES 



Why not have your timber estimated by competent Forest 

 Engineers ? Somebody will do it ; why not the best ? 



IT WILL PAY AND SAVE IN BONDING, 

 SELLING OR OPERATING 



"We make preliminary examinations; complete forest surveys, including 

 logging maps; valuations; and planting and management reports. 



Also Specialists on Preservative Treatment of Wood Against Decay 



Write for information 



CLARK, LYFORD & STERLING 



1331-2 Real Estate Trust Building 



PHILADELPHIA, PENNA. 



■■■ ■■^^■■^^ii n— a 



In writing to advertisers kindly mention American Forestry 



7f 



