Test Kit - Cardboard/Rocks/Minerals/Metal/Glass

This artifact is a red box containing No. HS1 Mineral Hardness Test Kit with a hand lens.  It is used for the teaching and for collections. The kit measures 5 3/4" x 4 1/4".
Abstract/Description: This artifact is a red box containing No. HS1 Mineral Hardness Test Kit with a hand lens. It is used for the teaching and for collections. The kit measures 5 3/4" x 4 1/4".