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Geissler Tube
Physical Description
This Geissler tube is approximately 155 centimeters long and weighs 984.4 grams or about 2.17 pounds. The outer tube is made up of symmetric sections of long tubes with a large bulb at the center. These sections themselves…
Crookes tube (X-ray generator)
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…
Tags: Century: 20C, geology, physics
Earth Inductor
Physical Description
A rectangular, lengthwise symmetric, wood frame (163cm X 43.5cm) that houses two rings (inner diam. 23cm, outer diam. 30.5cm), one on each side of the line of symmetry, which acts as spindles for wire. The frame is held together…
Tags: Electromagnetism, geophysics, induction
Agate Mortar and Pestle (1/3)
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…
Microscope Slides in Box
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
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
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 - 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 - 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,…
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:…