Bulletin of the International Association of Medical Museums Volume 3-6

Bulletin of the International Association of Medical Museums Volume 3-6

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 edition. Excerpt: ...AGAR-AGAR FOR MOUNTING SPECI-MENS BETWEEN GLASS PLATES. By J. H. Hewitt, M.D., From the Pathological Laboratory, Cleveland City Hos-pital, Cleveland, Ohio. I1 have described a method for mounting thin tissues and slices of organs in Kaiserling-gelatin between plates of glass held apart by metal frames. My results with this method have been for the most part altogether disappointing. It appears that by heating the specimens to 80 degrees centigrade for a few minutes a certain number of them may remain permanent, but the majority of them eventually liquify or become filled with cracks and ragged fissures. On discussing these failures with Dr. Rogers Perkins of the Department of Bacteriology and Hygiene of the Western Reserve Medical School, he suggested that agar-agar filtered by a process that has been described and which they had used with great success for clarifying culture media, might be used in place of gelatin, as they had been able to render agar practically as clear as gelatin. Read at the meeting of the International Association of Medical Museums, Toronto, April 9th, 1914. 1 Hewitt: Bulletin No. IV. The International Association of Medical Museums. Fig. 1.--A Mason's Jar With (i) Two Layers Of Surgical Gauze, (b) Three Layers Of Filter Paper, And (c) Two Layers Of Surgical Gauze Over Its Top, Ready' To Be Moistened And Tightly Bound With Cord. Fig. 2.--A Mason's Jar With The Gauze And Filter Paper Covering Its Mouth Securely Fastened By Several Wrappings Of Cord. The Vessel Is Ready To Be Inverted And Placed In The Boiler ContainIng The Medium To Be Filtered. A Small Glass Rod Worked In The Meshes Of The Top Layer Of Gauze And Projecting Over The Margin Of The Mouth Prevents The Jar From Becoming Attached To The Boiler.. 3---The...
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Product details

  • Paperback | 178 pages
  • 189 x 246 x 10mm | 327g
  • United States
  • English
  • black & white illustrations
  • 1236932420
  • 9781236932426