9. a microscope
The beginning student in biology is faced with a number of difficulties in laboratory work, and many of these problems are related to his use of the microscope. Some students, even after a year or more of biology, still confess they have rarely seen what they were supposed to see through the microscope.
Iowa Science Teachers' Journal
© Copyright 1964 by the Iowa Academy of Science
"A Microscope Lamp,"
Iowa Science Teachers Journal: Vol. 1
, Article 9.
Available at: https://scholarworks.uni.edu/istj/vol1/iss3/9