Abstract:placed in melted paraffin under partial vacuum. When the bubbling ceases, infiltration is complete. The short time required for infiltration of the paraffin makes it possible for the micrologist to watch and to control the temperature of the bath so that it is kept but a few degrees above the melting point of the paraffin..Since the demonstration at Columbus our attention has been called to equipment for paraffin impregnation in vacuo listed in an English apparatus cata-logue2 and to a description by C. E. Mor… Show more
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