Arthur L. Kimball, Henry Holt and Company, 1917.
An Atwood's machine is used to study the acceleration of gravity.
A modified Atwood's machine.
A voltmeter used to measure the potential difference across two points.
Solenoids create controlled magnetic fields.
A dipping needle detects radial variations in the direction of the earth's magnetic field.
A rotating color disc helps explore human color perception.
A telescope creates a magnified image of a distant object.
This saccharimeter measures a solution's sugar content with polarized light.