. Public health laboratory work, including methods employed in bacteriological research, with special reference to the examination of air, water and food contributed . Fig. 12.—Measuring flask. YH of a litre of water will stand. Figure 12 shows onesuch flask. 17. Six Nessler glasses, four of which are shown infigure 25. 18. A dozen test-tubes, with stand for same, and atest-tube cleaner and holder (fig. 13).. Fig. 13.—Test-tube stand, cleaner, and holder. 19. A glass pipette. 20. Two four-footed iron stands. 21. Two iron tripods (fig. 14). 22. Triangles of iron-wire lined with pipe-clay (fig.
. Public health laboratory work, including methods employed in bacteriological research, with special reference to the examination of air, water and food contributed . Fig. 12.—Measuring flask. YH of a litre of water will stand. Figure 12 shows onesuch flask. 17. Six Nessler glasses, four of which are shown infigure 25. 18. A dozen test-tubes, with stand for same, and atest-tube cleaner and holder (fig. 13).. Fig. 13.—Test-tube stand, cleaner, and holder. 19. A glass pipette. 20. Two four-footed iron stands. 21. Two iron tripods (fig. 14). 22. Triangles of iron-wire lined with pipe-clay (fig. 15). 23. Wire gauze, cut about four inches square. lO LABORATORY WORK. 24. A pair of small crucible tongs (fig. 16). 25. A small copper water bath, of about six inchesdiameter, and fitted with rings, which adapt its mouth
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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherphiladelphiablakis
