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Wooden Crystal Models - Orthorhombic
Physical Description
These crystal models are composed of a lightly colored Pearwood. Each model is precisely shaped with correct angles to illustrate various examples of seven different groups of crystal structures: isometric, tetragonal, hexagonal,…
Agate Mortar and Pestle (1/3)
Physical Description
There are three unique agate mortar and pestles at A.E. Seaman Mineral Museum. The largest mortar measures three centimeters in diameter at the base, while the matching pestle measures five centimeters in length. This mortar and…
Agate Mortar and Pestle (3/3)
Physical Description
There are three unique agate mortar and pestles at A.E. Seaman Mineral Museum. The smallest mortar measures two centimeters in diameter at the base, while the matching pestle measures four centimeters in length. This mortar and…
Agate Mortar and Pestle (2/3)
Physical Description
There are three unique agate mortar and pestles at A.E. Seaman Mineral Museum. The second largest mortar measures two and one half centimeters in diameter at the base, while the matching pestle measures five centimeters in…
Richter Drafting Set
Physical Description
This Richter drafting set has an original wooden case covered in a thin black leather and shaped with brass wire. The top of the case is stamped in gold with a company logo reading: “Pracision|E.O. Richter & Co; Arctic Coal…
Wooden Crystal Models - Tetrahedral
Physical Description
These crystal models are composed of a lightly colored Pearwood. Each model is precisely shaped with correct angles to illustrate various examples of seven different groups of crystal structures: isometric, tetragonal, hexagonal,…
Wooden Crystal Models - Hexagonal
Physical Description
These crystal models are composed of a lightly colored Pearwood. Each model is precisely shaped with correct angles to illustrate various examples of seven different groups of crystal structures: isometric, tetragonal, hexagonal,…
Wooden Crystal Models - Twins
Physical Description
These crystal models are composed of a lightly colored Pearwood. Each model is precisely shaped with correct angles to illustrate various examples of seven different groups of crystal structures: isometric, tetragonal, hexagonal,…
Wooden Crystal Models - Monoclinic/Triclinic
Physical Description
These crystal models are composed of a lightly colored Pearwood. Each model is precisely shaped with correct angles to illustrate various examples of seven different groups of crystal structures: isometric, tetragonal, hexagonal,…
Wooden Crystal Models - Triclinic/Trigonal unpaired
Physical Description
These crystal models are composed of a lightly colored Pearwood. Each model is precisely shaped with correct angles to illustrate various examples of seven different groups of crystal structures: isometric, tetragonal, hexagonal,…
Featured Item
Secohmmeter (inductance measurement)
April 2021: this device has been reidentified as a secohmmeter and will be updated with information soon. Exciting find! Physical Description:…