. Bacteriological methods in food and drug laboratories, with an introduction to micro-analytical methods. Bacteriology; Food; Drug adulteration; Bacteriology. DIRECT EXAMINATION 39. Fig. 4.—Apparatus for fractional filtration, designed for use with Pasteur- Chamberland or Berkefeld filters, a, Glass mantle surrounding filter; b, Chamber- land filter; c, paraffin joint; d 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 tubin
. Bacteriological methods in food and drug laboratories, with an introduction to micro-analytical methods. Bacteriology; Food; Drug adulteration; Bacteriology. DIRECT EXAMINATION 39. Fig. 4.—Apparatus for fractional filtration, designed for use with Pasteur- Chamberland or Berkefeld filters, a, Glass mantle surrounding filter; b, Chamber- land filter; c, paraffin joint; d 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; /. glass shield fused to and surrounding outlet tube as a protection against contamination when the filtrates are drawn off; j, glass inlet tube plugged with cotton, for admitting air into suction flask; k, pinchcock governing the admission of air into flask; I, vacuum gauge; m, stopcock connected with vacuum pump.—(U. S Dept. of Agriculture, Bureau of Animal Industry, Bull. 113.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Schneider, Albert, 1863-1928. Philadelphia, P. Blakiston's Son & Co
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectfood, bookyear1915
