(An introduction to geology using color stereo photographs)
- Rocks, minerals, and gems stereogram book for geological study
- Matched pairs of stereo rock, mineral, and gem specimen photos for detailed examination
- Photos of lunar rocks and six crystal systems for additional information
- Can be read with stereoscopic glasses for three-dimensional effect (sold separately)
- Suitable for grades 6 to 12 and ages 11 to 18
- Create the illusion of 3-D, when used in conjunction with stereo pictures or aerial photos.
- INCLUDES TWO (2) STEREO GLASSES. THIS ITEM WILL BE DISCONTINUED AFTER SOLD.