Microbiology with Diseases by Body System (4th Edition)

Published by Benjamin Cummings
ISBN 10: 032191855X
ISBN 13: 978-0-32191-855-0

Chapter 4 - Microscopy, Staining, and Classification - Questions For Review - Visualize It! - Page 123: 2i

Answer

Coarse focusing knob

Work Step by Step

This knob is used to move the stage up and down, so as to focus the magnified image of the specimen.
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