Translations:Adventist Youth Honors Answer Book/Health and Science/Optics/61/en

From Pathfinder Wiki
Revision as of 01:21, 9 January 2021 by FuzzyBot (talk | contribs) (Importing a new version from external source)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

A simple periscope can be made from two small, flat mirrors and a rectangular box (such as those in which aluminum foil or wax paper are packaged). Hot melt glue and strips of cardboard can be used to hold the mirrors in place.