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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 - 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 - 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 - 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 - 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,…
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 - 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,…
Wheatstone Bridge
Physical DescriptionA circular brass cylinder on a thin steel plate mounted on a wooden board, screwed into a base wooden plate at three spots: the top and bottom two corners. Two brass knobs at the bottom front of the wooden plate can be loosened…
Weston D.C. Voltmeter, Model 45
Front face with lid opened:
Knobs: Toward the top of the box on the front face, there are 3 screw knobs (two on the left, one on the right). Each dial has a knurled surface, and when unscrewed, reveals a metal electrical lead. Above the knobs…
Knobs: Toward the top of the box on the front face, there are 3 screw knobs (two on the left, one on the right). Each dial has a knurled surface, and when unscrewed, reveals a metal electrical lead. Above the knobs…
Tags: Electricity, Measurement
Washington Densometer
Physical DescriptionMain apparatus: The Washington densometer is comprised of 16 pieces (The kit owned by MTU does not include all 16 pieces). The first of these pieces are 4 aluminum calibrated rods, which have a large hexagonal head on them, screw…
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:…