You’ll need the following items to complete this lab session. (The standard kit for this book, available from http://www.thehomescientist.com, includes the items listed in the first group.)
Camera with microscope adapter (optional)
Specimens, film (see text)
Specimens, digital images (see text)
None of the activities in this lab session present any real hazard. It is still good practice to wear goggles and gloves to prevent contaminating specimens.
Although digital photography has now rendered film photography essentially obsolete in all but a few specialized niches, matching a film ...