Browse Items (9 total)

  • Collection: Physics

Wheatstone Bridge

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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…

DC Voltmeter, Model 1, NO. 5541

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Physical DescriptionA Wooden/Brass Instrument that is housed in a Wooden box with a lock on the top and a leather handle on the side attached by two metal fasteners. The tool itself has a dial separated into increments of 10. It has 3 black plastic…

magnetic field apparatus

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Physical descriptionFuncitonal description

Secohmmeter (inductance measurement)

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April 2021: this device has been reidentified as a secohmmeter and will be updated with information soon.  Exciting find! Physical Description: Rectangular brass box with removable lid on top of black iron base. Brass box is mostly hollow. A shaft…

Colored Flame Burner

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Physical DescriptionA small glass jar captured between a porcelain base and a porcelain cap, the latter of which is held on the top of the glass jar with a rubber gasket. A blown glass tube enters the glass jar from the side by means of a rubber…

Light Refactor(?)

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Physical DescriptionObject has a black cast iron base that is a cylinder with a hollow center. The inside of the cylinder is lined with felt. A metal lid covers the hollow center and a circular glass lens sits in the center of the lid. The lid has…

Portable Galvanometer

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Physical DescriptionObject comes in a wooden box. Box has a hinged lid and can be locked. Lock is made of metal with two screws on the face holding it to the side of the box. A leather strap is attached to the side of the box by the lock. There is a…

Geissler Tube

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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…

Earth Inductor

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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…