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Pasteur flask Black & White Stock Photos
. A text-book of bacteriology, including the etiology and prevention of infective diseases and a short account of yeasts, and moulds, haematazoa, and psorosperms. Bacteriology. 130 BACTERIOLOGY.. Fig. 64.—Pasteur's Flask. Pastern's Apparatios.—Special forms of tubes, bulbs, and pipettes are employed by the school of Pasteur. The tubes are provided with lateral or with curved arms drawn out to a fine point, and with slender necks plugged with cotton-wool. A double form (Pig. 65) shaped like a tuning- fork, each limb with a bent arm, is con- venient for storing sterihsed broth. The sealed end of Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-text-book-of-bacteriology-including-the-etiology-and-prevention-of-infective-diseases-and-a-short-account-of-yeasts-and-moulds-haematazoa-and-psorosperms-bacteriology-130-bacteriology-fig-64pasteurs-flask-pasterns-apparatiosspecial-forms-of-tubes-bulbs-and-pipettes-are-employed-by-the-school-of-pasteur-the-tubes-are-provided-with-lateral-or-with-curved-arms-drawn-out-to-a-fine-point-and-with-slender-necks-plugged-with-cotton-wool-a-double-form-pig-65-shaped-like-a-tuning-fork-each-limb-with-a-bent-arm-is-con-venient-for-storing-sterihsed-broth-the-sealed-end-of-image232441461.htmlRMRE4HCN–. A text-book of bacteriology, including the etiology and prevention of infective diseases and a short account of yeasts, and moulds, haematazoa, and psorosperms. Bacteriology. 130 BACTERIOLOGY.. Fig. 64.—Pasteur's Flask. Pastern's Apparatios.—Special forms of tubes, bulbs, and pipettes are employed by the school of Pasteur. The tubes are provided with lateral or with curved arms drawn out to a fine point, and with slender necks plugged with cotton-wool. A double form (Pig. 65) shaped like a tuning- fork, each limb with a bent arm, is con- venient for storing sterihsed broth. The sealed end of
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. Bacteriology in medicine and surgery. A practical manual for physicians, health officers, and students. Bacteriology. BACTEBIOLOGWAL TECHNIQUE. 221 ent media are stored in large quantities in round or flat- bottomed Erlenmeyer flasks (Fig. 23). From these, as needed, glass tubes (Fig. 24) are filled. Glass dishes with covers (Petri dishes. Fig. 27) and flat flasks are used for growing bacteria in or upon thin layers of media. When small amounts of media are taken fre- quently from flasks, Pasteur's flasks (Fig. 25) are of Fig. 24. Fig. 23.. Erlenmeyer flask. Fig. 25. Pasteur flask. Glass tes Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/bacteriology-in-medicine-and-surgery-a-practical-manual-for-physicians-health-officers-and-students-bacteriology-bactebiologwal-technique-221-ent-media-are-stored-in-large-quantities-in-round-or-flat-bottomed-erlenmeyer-flasks-fig-23-from-these-as-needed-glass-tubes-fig-24-are-filled-glass-dishes-with-covers-petri-dishes-fig-27-and-flat-flasks-are-used-for-growing-bacteria-in-or-upon-thin-layers-of-media-when-small-amounts-of-media-are-taken-fre-quently-from-flasks-pasteurs-flasks-fig-25-are-of-fig-24-fig-23-erlenmeyer-flask-fig-25-pasteur-flask-glass-tes-image232433966.htmlRMRE47W2–. Bacteriology in medicine and surgery. A practical manual for physicians, health officers, and students. Bacteriology. BACTEBIOLOGWAL TECHNIQUE. 221 ent media are stored in large quantities in round or flat- bottomed Erlenmeyer flasks (Fig. 23). From these, as needed, glass tubes (Fig. 24) are filled. Glass dishes with covers (Petri dishes. Fig. 27) and flat flasks are used for growing bacteria in or upon thin layers of media. When small amounts of media are taken fre- quently from flasks, Pasteur's flasks (Fig. 25) are of Fig. 24. Fig. 23.. Erlenmeyer flask. Fig. 25. Pasteur flask. Glass tes
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. Microbes, ferments and moulds . Bacteria; Fungi; Fermentation. 162 MICROBES, FEEMENTS, AND MOULDS. Sterilized Flasks.—Pasteur has shown that air may be deprived of all its germs by being passed through a capillary tube, turned back upon itself. He takes a glass flask and draws out its neck so as to form a long tube, which is bent in different directions (Fig. 76). The prolonged application of heat expels the air contained in the flask, which is therefore sterilized, and it is then allowed to cool slowly. A. Fig. 76.—^Pasteur's flask, with bent tube, containing a culture iiquid, sterilized. h Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/microbes-ferments-and-moulds-bacteria-fungi-fermentation-162-microbes-feements-and-moulds-sterilized-flaskspasteur-has-shown-that-air-may-be-deprived-of-all-its-germs-by-being-passed-through-a-capillary-tube-turned-back-upon-itself-he-takes-a-glass-flask-and-draws-out-its-neck-so-as-to-form-a-long-tube-which-is-bent-in-different-directions-fig-76-the-prolonged-application-of-heat-expels-the-air-contained-in-the-flask-which-is-therefore-sterilized-and-it-is-then-allowed-to-cool-slowly-a-fig-76pasteurs-flask-with-bent-tube-containing-a-culture-iiquid-sterilized-h-image232117657.htmlRMRDHTC9–. Microbes, ferments and moulds . Bacteria; Fungi; Fermentation. 162 MICROBES, FEEMENTS, AND MOULDS. Sterilized Flasks.—Pasteur has shown that air may be deprived of all its germs by being passed through a capillary tube, turned back upon itself. He takes a glass flask and draws out its neck so as to form a long tube, which is bent in different directions (Fig. 76). The prolonged application of heat expels the air contained in the flask, which is therefore sterilized, and it is then allowed to cool slowly. A. Fig. 76.—^Pasteur's flask, with bent tube, containing a culture iiquid, sterilized. h
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. A text-book of bacteriology. Bacteriology. CULTURES IN LIQUID MEDIA. 63 For larger quantities of liquid than can be held in an ordinary test tube ihe small flasks with a flat bottom, known as Erlenmeyer flasks, are very convenient (Fig. 33). In his earlier researches Pasteur used flasks and tubes of various forms, which served a useful purpose, but have been displaced in his laboratory by the simpler form of apparatus shown in Fig. 34. This is a httle flask having a cover which is ground to fit the neck. This cover is drawn out above into a narrow tube which admits oxygen to the flask throug Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-text-book-of-bacteriology-bacteriology-cultures-in-liquid-media-63-for-larger-quantities-of-liquid-than-can-be-held-in-an-ordinary-test-tube-ihe-small-flasks-with-a-flat-bottom-known-as-erlenmeyer-flasks-are-very-convenient-fig-33-in-his-earlier-researches-pasteur-used-flasks-and-tubes-of-various-forms-which-served-a-useful-purpose-but-have-been-displaced-in-his-laboratory-by-the-simpler-form-of-apparatus-shown-in-fig-34-this-is-a-httle-flask-having-a-cover-which-is-ground-to-fit-the-neck-this-cover-is-drawn-out-above-into-a-narrow-tube-which-admits-oxygen-to-the-flask-throug-image232443755.htmlRMRE4MAK–. A text-book of bacteriology. Bacteriology. CULTURES IN LIQUID MEDIA. 63 For larger quantities of liquid than can be held in an ordinary test tube ihe small flasks with a flat bottom, known as Erlenmeyer flasks, are very convenient (Fig. 33). In his earlier researches Pasteur used flasks and tubes of various forms, which served a useful purpose, but have been displaced in his laboratory by the simpler form of apparatus shown in Fig. 34. This is a httle flask having a cover which is ground to fit the neck. This cover is drawn out above into a narrow tube which admits oxygen to the flask throug
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. Bacteriological methods in food and drugs laboratories : with an introduction to micro-analytical methods . Bacteriology; Food; Drugs. i->. m J Fig. 4.—Apparatus for fractional filtration, designed for use with Pasteur- Chamberland or Berkefeld filters, a, Glass mantle surrounding filter; h, Chamber- land filter; c, paraffin joint; i and e, rubber stoppers; /, double side-arm suction flask; g, pinchcock controlling outlet from suction flask; h, outlet tube surrounded by glass shield and attached to lower end of suction flask by means of short rubber tubing; i, glass shield fused to and su Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/bacteriological-methods-in-food-and-drugs-laboratories-with-an-introduction-to-micro-analytical-methods-bacteriology-food-drugs-i-gt-m-j-fig-4apparatus-for-fractional-filtration-designed-for-use-with-pasteur-chamberland-or-berkefeld-filters-a-glass-mantle-surrounding-filter-h-chamber-land-filter-c-paraffin-joint-i-and-e-rubber-stoppers-double-side-arm-suction-flask-g-pinchcock-controlling-outlet-from-suction-flask-h-outlet-tube-surrounded-by-glass-shield-and-attached-to-lower-end-of-suction-flask-by-means-of-short-rubber-tubing-i-glass-shield-fused-to-and-su-image232353401.htmlRMRE0H3N–. Bacteriological methods in food and drugs laboratories : with an introduction to micro-analytical methods . Bacteriology; Food; Drugs. i->. m J Fig. 4.—Apparatus for fractional filtration, designed for use with Pasteur- Chamberland or Berkefeld filters, a, Glass mantle surrounding filter; h, Chamber- land filter; c, paraffin joint; i and e, rubber stoppers; /, double side-arm suction flask; g, pinchcock controlling outlet from suction flask; h, outlet tube surrounded by glass shield and attached to lower end of suction flask by means of short rubber tubing; i, glass shield fused to and su
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