. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 1740 1735 1725 Bottles—Washing, Griffin's. With rubber stopper and flexible delivery tube; most nearly perfect washing bottle, designed to provide con- tinuous flow by means of Griffin tube described below. No. Capacity, cc A 250 B 500 C 1000 Each 1730 Bottle—Washing—Griffin's Tube Only. Action is simple and almost self-explanatory. When holding washing bottle, the hole "A" (see illustration) is closed by the thumb; as soon as air is blown dow
. Bacteriological apparatus : pathological, biochemical. Scientific apparatus and instruments; Bacteriology; Chemical industry. 1740 1735 1725 Bottles—Washing, Griffin's. With rubber stopper and flexible delivery tube; most nearly perfect washing bottle, designed to provide con- tinuous flow by means of Griffin tube described below. No. Capacity, cc A 250 B 500 C 1000 Each 1730 Bottle—Washing—Griffin's Tube Only. Action is simple and almost self-explanatory. When holding washing bottle, the hole "A" (see illustration) is closed by the thumb; as soon as air is blown down the inflow tube and the mouth removed, the valve "B" is blown back by the excess pressure; this pressure is now quite sufficient to force a stream of water through the jet, but the current may be stopped im- mediately by removing the thumb from hole "; As the cessation of the current is practically instantaneous, the washing bottle will be of great advantage also in filling small measures, etc., to a fixed graduation; tube only Each 1735 Bottle—Washing, Hartmann's. For use in operations requiring meas- ured quantities of washing solution; particularly valuable for the determination of total tartaric acid in wines, musts and the like, and for any washing of precipitates in chemical laboratory work; delivers measured quantities of washing solution, acts automatically, and is serviceably constructed; consists of the following parts (see illustra- tion): A, stock bottle; B, graduated measuring chamber; C, delivery tube; D, pressure tube; E, syphon tube; F, vent tube; G, handle; measuring chamber, B, may be adjusted to deliver any amount up to 15 cc, by raising or lowering syphon tube, E Each 1740 Bottles—Washing—Handles Fitted. Any of washing bottles above will be supplied with handles, as shown in illustration, at extra cost Each 81. Please note that these images are extracted from scanned page images that may have been digitally
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscientificapparatusa
