LABORATORY SUPPLIES AND CHEMICALS 



1014 



1022 



1028 



1034 



1014 ALKALIMETER Bunsen's . , $1.75 



1022 ALKALIMETER Geissler's, latest form, with tv/o ground joints 3.00 



1028 ALKALIMETER Mohr's (latest style) 2.50 



1034 ALKALIMETER Schroedter's . . 3.00 



ANNEALING CUPS, see Crucibles. 



1050 



1040 1042 



1040 ANVIL, for Lead Buttons, 6"x6", planed on one side $1.20 



1042 ANVIL, Plattner's, l^"xl^", for blowpipe work, polished steel. .50 



1050 APRON, of waterproof rubber cloth, to protect the clothes from 



chemicals. Length 45, 48 or 50 inches, as desired 1.00 



See also Sleeves and Gloves. 



ARSENIC TEST PLATES, see Plates, Porcelain. 

 ARSENIC TUBES, see Tubes, Reduction. 



1054 ASBESTOS SHEETS, 42x48 inches, fire and acid-proof. 

 Approximate weight per sheet. 



Thickness, inches $2 1*5 2 l /% fs % . Z A l /2 



Weight, about, Ibs 2J4 4^ 6^ 9 13 J4 17^ ^A 35 



Per Ib $0.85 



1056 ASBESTOS BOARDS, cut in squares. 



Size, inches 4x4x3*2 4x4xi 3 ff 5x5x3*2 SxSx'rV 6x6xg"2 6x6x1*3 



Dozen $0.50 $0.80 $0.80 $1.20 $1.20 $1.80 



1057 ASBESTOS CLOTH, 36 inches wide, unaffected by acid, fire, etc. 



Fine Medium Heavy 

 Per yard $4.25 $5.50 $7.00 



1058 ASBESTOS CEMENT, fire and acid-proof, for repairing furnaces, etc. 



Per 5-lb. can $1.50 



1060 ASBESTOS CORD and TWINE, in one-lb. balls. Useful as a wrapping for han- 

 dles of apparatus which become heated, and to suspend retorts, 

 crucibles, etc. 



Diameter, inches 1 A 1 A ^ 



Per Ib $3.60 $3.60 $3.60 



1062 ASBESTOS PADS, for protecting table under blast lamps, etc. Made of thick 

 asbestos board edged with iron. 



Size, inches 8x8 10x13 13x20 



Each $0.75 $1.25 $2.25 



