. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 5770 12960 12935 12940 12960 12965 Filter Cones—Of Alundum. Used for separating precipitates from solutions by means of suction and can be used in any 60° funnel by stretching wide band of rubber tubing over funnel. No. A B C D Diameter, in. 1% 2% 3 4% Capacity, cc 20 50 60 100 Each .30 .60 .85 5770 Filter Cones. Of Coors porcelain; glazed, with exception of rim, with holes of about 1 mm diameter. Size No. 3 4 Diameter, mm 50 63 Height, mm 43 62 Each Fi
. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 5770 12960 12935 12940 12960 12965 Filter Cones—Of Alundum. Used for separating precipitates from solutions by means of suction and can be used in any 60° funnel by stretching wide band of rubber tubing over funnel. No. A B C D Diameter, in. 1% 2% 3 4% Capacity, cc 20 50 60 100 Each .30 .60 .85 5770 Filter Cones. Of Coors porcelain; glazed, with exception of rim, with holes of about 1 mm diameter. Size No. 3 4 Diameter, mm 50 63 Height, mm 43 62 Each Filter Paper—Will, White. Circular filters; put up in packages of filters and found by test to be equal to higher priced papers. No. A B C D E F Diameter, mm 55 70 90 110 125 150 100 Per hundred .11 .12 .15 .18 .22 G H I J K Diameter, mm 185 240 270 320 385 .30 Per hundred .46 .75 12945 Filter Paper—Will, White. In sheets, 480 x 480 mm Per hundred 12950 Filter Paper—Will, Gray. Circular filters; tough and durable. No. A B C D E F G Diameter, mm 150 190 250 330 400 450 500 Per hundred .40 .60 .90 12955 Filter Paper—Will, Gray. In sheets, 500 x 500 mm Per hundred Filter Paper. Of medium texture, heavy, strong and rapid; has creped surface; very popular, especially in the large sizes, among manu- facturers of pharmaceuticals, extracts, essences, chemicals, bio- logicals, perfumes, etc., also for filtering soap solutions, oils and the like, and for other purposes where a retentive paper is neces- sary. No. A B C D EF G H I Diameter, mm 90 110 130 150 200 250 330 400 450 Package of 100 .15 .18 .22 .30 .46 .75 Diameter No , mm J 500 K 600 L 650 M 700 N 750 • O 1000 P 1150 Q 1250 Package of 100 Filter Paper. Same as No. 12960 above, but in sheets, 500 x 500 mm; furnished in reams of 500 sheets Per ream 12970 Filter Paper. Same as No. 12960, but in sheets, 600 x 600 m; in reams of 50
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificapparatusa
