More than magnifiers
By: Cary I. Sneider and Alan Gould
Contributors: Gould, Alan
Series: Great explorations in math and science; Great explorations in math and science
Publisher: Lawrence Hall of Science, University of California
Published: 1991
Place of publication: Berkeley, CA
Language: eng
Number of pages: 48
Subjects: Lenses; Optics -- Experiments
Other titles: GEMS
Notes: "LHS GEMS teacher's guide."

" Grades 6-9."

"Reprinted with revisions, 1991."