RECREATION. 



xxv 



FREE 



DESCRIPTIVE 

 BOOKLET ON 



HUMIDITY. 



The Polymeter is an instrument to 

 measure the percentage of relative 

 and absolute Humidity. 



Invaluable in testing the air we 

 breathe, whether too dry or too moist. 



Indispensable in forecasting rain, 

 storms, frost or clear weather. 



21 UNION SQUARE, NEW YORK CITY. 



KODAKS, PREMOS, POCOS 



Everything Photographic for the Amateur 



For best results send your films to our Developing 

 and Printing Dept. High class work carefully exe- 

 cuted. 



PHOTO SUPPLIES 



OPTICIAN, 

 32 EAST 23 D ST, NX 



Just a Few Seconds 



exposure to gas or lamp light and a few 

 more seconds for development makes a 



VELOX 



Print. Exquisitely soft matte effects. 



NEPERA CHEMICAL CO. 

 Division of the General Aristo Co. 



For sale by /gS^ Ne P era Park > 



all dealers. ft^fi 9n\ N Y 



i PRIZE COMPETITION I 



[ Open to Professionals and Amateurs f 



\ PRIZES: $60.00 Worth of Chautauqua Plates. 



•fr Class 1 — 2 prizes for portraits from studios. + 



\ Class 2 — 2 prizes for snap shots, either landscape or marine. I 



4* Class 3 — 2 prizes for groups out of doors. + 



•§• Class 4 — 2 prizes for moonlight or sunset effects (marine). + 



% All entries close July ist, 1900. Photographs may be printed on any brand of paper and mounted 4. 



J in any form desired by contestants. ,...,« ru * T 



Only photographs made on Chautauqua plates are eligible, If you cannot procure Chautauqua + 



plates from yout local dealer, send us 20 cents in stamps or silver, and we will send you a sample x 



package (not a full dozen), from which you can as well make a winning photograph a* from a great + 



f number. Only 4x5 and 5x7 sizes are put up in sample packages. Don t neglect to state what size + 

 you want. 



First Prize in any Class— $10.00 worth of Chautauqua Plates. f 

 f Second Prize in any Class— $5.00 worth of Chautauqua Plates. 



«f» (Value based on 40 per cent, discount from standard list price.) 



♦ J 



J! All photographs entered to be our property. Note our x 



J corporate name, and address "Prize Competition," J. 



I Columbian Dry Plate Co v * 



$ JAMESTOWN, N. Y. + 



