CONSERVATION'S ADVERTISERS 



CAMERAS 



AT THE SUMMIT 



Recently Miss Annie Peck, the mountain 

 climber, reached the top of Mt. Huascaran in 

 Peru, an altitude of 26,000 feet. This ac- 

 complishment won for her the world's record 

 in mountam climbing. 



Of special interest is the fact that she 

 carried with her a t 



GOERZ ANSCHUTZ CAMERA 



This is a specific instance among many 

 which come to us of the recognition of the 

 merits of this camera for the most exacting kind of 



outdoor work. THE GOEI^ ANSCHUTZ 

 is a small, light weight, strongly built, folding 

 camera, specially designed for travelers, natural- 

 ists, newspaper men, sportsmen — for all outdoor 

 use where great speed, accuracy and compact- 

 ness are essential: equally well adapted for 

 general photographic work, lantern slide and 

 enlargement making, 



Lei us tell you about the unique features found in 

 this camera. 



Address Dept.l 3lfor free descriptive catalogue, whicli 

 also lists our photographic lenses, XL shutter, field glasses, 

 gunsight, tele-photo attachments, etc. 



We prefer to supply you through your dealer, but when 

 he either cannot or will not, communicate with us. 



€>ptiral Compan]) 



52 Union Square E., New York 



Heyworth Bldg. 



Chicago 



Second Edition, Revised, with Additions 



Snow — The Principal Species 



of Wood. Their Characteristic 



Properties 



By Charles H. Snow 

 Dean of the School of Applied 

 Science, New York University 



Large 8vo, xi+203 pages, figures in 

 the text, 7,y full-page half-tones. 

 Cloth, $3.50 



Circular giving complete table of contents 

 and sample pages mailed on request, or 

 thebook may be seen at the leading book 

 stores or dealers in architectural supplies 



Ordtr through your bookseller, or copies -will be for- 

 vjarded postpaid by the publishers on receipt of the 

 retail price. 



JOHN WILEY & SONS 



43 and 45 East 19th St., New York City 



Conservation's advertisers are dependable 

 -xve see to that. 



This Solar can be used in hazy weather, 

 when other Solars are useless. Used by 

 the U. S. General Land Office. 



Specifications 



Needle 3Vi Inches 

 long. Graduations 4% 

 Inches long, reading 

 minutes. Power of 

 telescope 20 (with 

 splendid definition, good 

 light, and large field). 

 Variation plate. Level 

 to telescope, clamp 

 and opposing screws. 

 Vertical arc. Fixed 

 Stadlahalrs. Extension 

 Tripod. Solar At- 

 tachment on side of 

 standards. 



Price Complete, $300 



Telegraph and Code Word, Mountsolar 

 Illustrated Catalogue Upon Application 



YOUNG & SONS PhQadelphia 



6b 



In writing to advertisers kindly mention Conservation 



