CEXTEAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



95 



Ko. 1536. 



No. 1558. 



No. 1556. 



No. 1538. 



BOTANICAL APPARATUS 



1530. BOTANICAL ABSORPTION PAPER, 11x16 inches, as used in No. 1558 Plant Press. Heavy 

 felt paper, very absorbent per 100 sheets $3.00 



1532. BOTANICAL ABSORPTION PAPER, good quality blotting paper, size, 12x19 inches. 



per 100 sheets 1.50 



1533. BOTANICAL ABSORPTION PAPER, same as No. 1532, but in sheets 19x24 inches. 



per 100 sheets 3.50 



1536. BOTANICAL ADHESIVE TAPE, in rolls of 10 yards, % inch wide, gummed, ready for use. 

 Made of white cloth, easily cut and readily applied, presenting a neat and inconspicuous 

 appearance on the mounting sheet. In box with slot enabling it to be withdrawn in any 



amount per roll 3D 



1538. BOTANICAL COLLECTING CASE (Vasculum), of metal, finely enameled in green, with door 

 opening entire length. Size 15%x5x7% inches. Complete with leather shoulder strap and 



snaps 2.00 



1540. BOTANICAL GENUS COVERS, of heavy manila paper, with surface specially prepared for 

 writing upon. Size folded. 12x18 inches per 100 sheets 2.00 



1548. BOTANICAL MOUNTING BOARD, good quality Bristol board, plain. Size, 11x17 inches. 



per 100 sheets 3.00 



1549. BOTANICAL MOUNTING BOARD, same as No. 1548, but with printed form for plant descrip- 



tion. Size, 11x17 inches per 100 sheets 5.00 



1552. BOTANICAL MOUNTING PAPER, of heavy unsized stock, strong and durable. Color does not 



deteriorate with age. Size, 11x17 inches per 100 sheets 1.50 



1554. BOTANICAL MOUNTING PAPER, heavy weight paper of grayish color, unsized surface. Size 



11x17 inches .' per 100 sheets 1.10 



1556. BOTANICAL MOUNTS. Riker's, suitable for mounting any botanical specimen. The mount 

 consists of two parts a thin plate of photographic glass to which narrow flaps of linen 

 morocco paper are neatly fastened, and a cardboard back to which is glued a thin layer of 

 sterilized surgical cotton in which the specimens are imbedded. 



No A B C D 



Size, inches 5x6 6%x8% 8x12 12x16 



Each 25 .30 .50 1.00 



Per dozen 2.80 3.50 6.00 12.00 



For other MOUNTS, see Specimen Mounts. 



1358. BOTANICAL PLANT PRESS, simple, strong, portable, and satisfactory. Made of lattice work, 

 it dries very rapidly, especially when used with No. 1530 Absorption Paper. Hung in sun- 

 light or over a heater, specimens can be dried so rapidly as to preserve natural colors. From 

 one to fifty or more specimens may be pressed at one time. Size, Il%xl6% inches. Com- 

 plete with straps as illustrated 2.50 



