STROBOSCOPES: Digital, Hand-driven

STROBOSCOPES: Digital, Hand-driven

•  Two types of stroboscopes, digital and hand driven, for use in the science laboratory.

(Wikipedia excerpt: .."...A stroboscope [S] , also known as a strobe, is an instrument used to make a cyclically moving object appear to be slow-moving, or stationary. It consists of either a rotating disk with slots or holes or a lamp such as a flashtube which produces brief repetitive flashes of light. Usually, the rate of the [S] is adjustable to different frequencies. When a rotating or vibrating object is observed with the [S] at its vibration frequency (or a submultiple of it), it appears stationary.

Thus [S] are also used to measure frequency. The principle is used for the study of rotating, reciprocating, oscillating or vibrating objects. Machine parts and vibrating string are common examples. A [S] used to set the ignition timing of internal combustion engines is called a timing light....")

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