WOODEN CROSS-SECTION CARDS. 



FOR FANCY AND BUSINESS PURPOSES. 



(Patented Keto. 9, 1886.) 



The novelty and attractiveness of these Wooden cards cut across the grain will at once recommend 

 them to every admirer of woods. 



They are manufactured from timbers of close grain and their toughness, ivory like smoothness 

 and beauty are a surprise 



by any Paper, and they 



Their Printing Qualit 

 are of greatest value as 



This is owing to the fact 1 

 cipients of such cards are 

 friends as something curi< 

 advertisement. 



They are also approp 



CALLING CAF 



RECEPTION 



Being perfectly adaptt 

 or plain as gift cards of al 

 pretty use. 



N. B. In using water co' 



the admixture of a little turpet 



punch ; and when using with g 



the surface the card is to be gli 



For scale of sizes see oppos 



Library 



-KIDS. . 



ion at once, and the re- 

 showing them to their 

 displaying the imprinted 



MG AND 



>, ETC., ETC. 



e used thus embellished 

 try these cards for this 



with Colors "cut" the oil by 

 , use a solid or "conductor's" ! 

 :iot upon the card but, upon 



, .., .r,..w..~ w. ..-JDS. 



These are perfect for displaying before an audience by means of a magic-lantern, the structure of 

 our various timbers. All the principal species are designed to be represented and each one is identified 

 beyond question of doubt. No one who has an instrument should be without these interesting and in- 

 structive preparations. 



MICROSCOPIC PREPARATIONS OF WOODS. 



These, like the stereopticon mounts, are authentic and elegantly prepared. Each slide contains 

 three sections transverse, radial, and tangential which give a most perfect opportunity for studying 

 the minute structure. 



PREPARATIONS OF WOODS SHOWING PRISMATIC COLORS. 



Although wood is so common a substance, very few people have ever known of these interesting 

 and beautiful phenomena. For mention of one form of the display of colors, such as seen in the Cu- 

 cumber Wood, see accompanying text p. 40, Note. 



Prices furnished upon application. 



