. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 12150 5685. 12155 5645 5650 5675 Crucibles—Gooch. Of Coors porcelain, glazed inside and out; with straight sides and solid, perforated bottom. Size No. 1 3 Diameter top, mm 33 39 Diameter bottom, mm 20 26 Height, mm 33 40 Capacity, cc 15 25 Each A2 !48 Covers for Gooch Crucibles, No. 5645 above. Size No. 1 3 Diameter rim, mm 40 46 5680 5685 12145 12150 12155 Each .06 .08 Crucibles—Caldwell. Of Coors porcelain, glazed inside and out; with- out cover or perforated disk;
. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 12150 5685. 12155 5645 5650 5675 Crucibles—Gooch. Of Coors porcelain, glazed inside and out; with straight sides and solid, perforated bottom. Size No. 1 3 Diameter top, mm 33 39 Diameter bottom, mm 20 26 Height, mm 33 40 Capacity, cc 15 25 Each A2 !48 Covers for Gooch Crucibles, No. 5645 above. Size No. 1 3 Diameter rim, mm 40 46 5680 5685 12145 12150 12155 Each .06 .08 Crucibles—Caldwell. Of Coors porcelain, glazed inside and out; with- out cover or perforated disk; with open, flanged bottom to hold disk. Size No. 1 3 Diameter top, mm 33 39 Diameter bottom, mm 20 26 Height, mm 33 40 Capacity, cc 15 25 Each !36 A2 Covers for Caldwell Crucibles No. 5675 above. Size No. 1 3 Diameter rim, mm 40 46 Each .06 .08 Perforated Disks for Caldwell Crucibles and funnels; sizes 6 to 9; with beveled edges. Size No. 1 2 3 4 5 Diameter rim, mm 15 20 22 25 30 Thickness, mm 1V2 1V2 1% 1V2 1% .28 Each .20 .23 .24 .24 Size No. 6 7 8 9 Diameter rim, mm 38 50 60 75 Thickness, mm 4 4 4 4 Each .36 .46 .54 .72 Crucible Holder—Gooch, Bailey's. Accommodates a 25 cc porcelain Gooch crucible; fits ordinary 2-in. glass funnel, the upper edge pro- jecting over the edge of the funnel, making the seal; lower edge of holder rests on side of funnel and supports holder when suction is on the flask; without funnel Each .35 Crucible Holder—Gooch, Spencer's. Consists of special glass funnel or filter tube, with projecting lug to support crucible, and with rubber ring for use with Alundum crucible; suction makes tight contact between crucible and inside of glass funnel; without cru- cible Each Crucible Holder—Gooch, Walter's. Is a combined rubber stopper and Gooch crucible holder that will fit neck of a filter flask up to 45 mm, outside diameter; is easily removed from flask, and econom- ical; glass part is protected from breakage; with funnel Each .65 139. Please
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificapparatusa
