Manual of pathology : including bacteriology, the technic of postmortems, and methods of pathologic research . Fig. 40.—RvDER adapted for paraffin sections and for cutting in series ; can not be used for frozen sections,employed for celloidin if the chloroform method ot hardening has been adopted. May l>e —and place the section on the water; gently warm the slide, beingcareful not to melt the paraffin; as the section becomes warm it willstraighten out, all folds and wrinkles disappearing. Now carefully pouroff the excess of water, and the section falls upon the layer of
Manual of pathology : including bacteriology, the technic of postmortems, and methods of pathologic research . Fig. 40.—RvDER adapted for paraffin sections and for cutting in series ; can not be used for frozen sections,employed for celloidin if the chloroform method ot hardening has been adopted. May l>e —and place the section on the water; gently warm the slide, beingcareful not to melt the paraffin; as the section becomes warm it willstraighten out, all folds and wrinkles disappearing. Now carefully pouroff the excess of water, and the section falls upon the layer of Fig. 41.—Ra-vviers of tissue infiltrated with ceUoidin or paraffin may be cut in sections free-hand with an ordinary razor; betterresults may be oVjtained by even so simple a microtome as the above (Ran\-iers microtome) or very muchbetter results by the Ryder, Minot. or Bausch and instruments.—(Illustration jrom Goulds Dictionary.) to which it adheres. ^Mayers albumin is composed of egg-albumen(white of egg) and glycerin, of each 100 , to which one gram ofsalicylate of sodium has been added to aid the glycerin in preserving MITIIODS. 4J the albumin; after tliorou^hly mixing, the mass is filtered throuj^hpaper—a process requiring weeks. The alhumm fixes the section tothe slide, so that it may be taken through the subsequent processeswithout danger of becoming detached. After the section has beendrained of the water upon which it was floated to facilitate flatten-ing, it is placed in a drying oven to get rid of any remaining ordinary
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