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Quarterly Journal of Microscopical Science, Vol s3-95, 11-16, Copyright © 1954 by Company of Biologists

A Sharpening Machine for a New Type of Microtome Knife

S. DILWORTH 1 and H. M. APPLEYARD 1

1 Wool Industries Research Association, Torridon, Headingley, Leeds, 6.

A description is given of the manufacture of a new type of microtome knife made from selected portions of discarded low tungsten steel power hacksaw blades. A machine for sharpening this type of knife is described. Its main feature is a lapping plate of 1/4 in. plate glass which can be adjusted for height to give cutting angles ranging from 24 to 32°, these angles being accurately reproducible on resharpening. Results of tests with a series of knives covering this range of cutting angles is given.






© The Company of Biologists Ltd 1954