Browse Items (53 total)

CrookesTube 1 (Seaman).jpg
Physical Description: The body of the Crookes tube instrument consists of a copper cube, in the center of a metal stand. The stand consists of a long tube with three legs protruding from the base. There are two additional tubes that extend beyond the…

fullsizeoutput_16a4.jpeg
Physical DescriptionThere 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…

MicroscopeSlides (4).jpg
Physical Description These microscope slides are contained in a lightly colored oak box, featuring thin cuts of wood and brass hardware. The locking mechanism on the front of the box is made up of two rotating hooks on each side, located near the top…

Wooden Crystal Models Tetragonal (4).jpg
Physical Description These crystal models are composed of light pearwood. Each model is precisely shaped with correct facets and angles to illustrate seven different groups of crystal structures: isometric, tetragonal, hexagonal, orthorhombic,…

Wooden Crystal Models Triclinic-Trigonal Unpaired (6).jpg
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 structures monoclinic.jpg
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 (14).jpg
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 (1).jpg
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 Tetrahedral.jpg
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,…

Drafting Set.jpg
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…