CENTRAL SCIENTIFIC CO., CHICAGO, U. S. A. 



No. 7984. 



No. 7990. 



No. 8000. 



7984. INOCULATING NEEDLE, a platinum needle 40 mm long, of No. 28 wire, set in a glass han- 

 dle $0.80 



7986. INOCULATING NEEDLE, same as No. 7984, but with 80 mm of No. 27 wire 1.80 



7990. NEEDLE HOLDER, Inoculating, of brass, nickel-plated, with screw chuck for holding platinum 

 or nichrome wire from No. 28 to No. 24 inclusive. Length, 160 mm. Without wire.. .25 

 PLATINUM WIRE for No. 7990, see general heading Platinum Ware. 



8000. INSECT BREEDING CAGE, of zinc, glass front, with top, bottom and sides of wire gauze for 



ventilation. Top and bottom are removable. Size S^xS^xlO inches high 4.00 



8001. TRAY of galvanized iron, water tight, for use with No. 8000 Insect Breeding Cage for aquatic 



insects 50 



8004. INSECT BREEDING CAGE, all metal, non-corrosive, folding, easily adjusted. Top and sides 



of wire gauze for ventilation. Size 12x12x16 inches high 5.00 



8010. INSECT NET, with collapsible steel frame IS^xll'/i inches when open, and one piece bam- 

 boo handle 30 inches long 2.50 



8012. INSECT NET, similar to No. 8010, but with steel frame measuring 15x14 inches when open and 



with two-piece jointed handle 48 inches long 3.50 



8018. INSECT PINS, Mack, with round yellow heads; very stiff with sharp points, in packages of 



100. No 00 1 2 3 4 5 6 



Per 100 25 .25 .22 .22 .22 .22 .22 .22 



Per 1000 2.00 2.00 1.90 1.90 1.90 1.90 1.90 1.90 



8020. INSECT PINS, white, with round heads, in packages of 100. 



No 1 . 2 3 4 5 6 



Per 100 25 .25 .25 .25 .25 .25 .25 



Per 1000 2.00 2.00 200 2.00 200 2.00 2.00 



8026. INSECT SPREADING BOARDS, for use in drying insects preparatory to mounting. Consists 

 of two strips of hardwood cleated together leaving a groove in the middle in which the body 

 of the insect is placed while the wings are pinned to the two strips. 



No A B C 



Length, inches 12 12% 16Ms 



Width, inches 4% 3% 7% 



Each 1.10 1.30 1.50 



INTERVAL TIMER, see Clock, Interval. 



JARS, ALL KINDS 



JARS, Anaerobic Culture, see Anaerobic Culture Apparatus. 



JARS, Animal, see Animal Holders. 



JARS, Aquarium, see Aquarium Jars. 

 8040. JARS, Battery, cylindrical form, of green glass. 



No A B C 



Diameter, inches 4 5 6 



Height, inches 5 7 8 



Capacity, quarts 1 2 4 



Each 20 .25 .40 



8042. JARS, Battery, cylindrical form, of clear white glass, frequently used for aquaria and specimen 



work. No A B C D E 



Diameter, mm 100 100 125 150 225 



Height, mm 100 125 175 200 300 



Approx. capacity, cc 1000 1200 2500 4000 14000 



Each . .55 .70 1.05 1.25 3.10 



