EISCO Labs Economy Spectroscope Tube, Pack of 6 auspowers_batchsix For playing audio from a

For playing audio from a video when using two OontZ Angle 3 ULTRA speakers

Fun red color

stick it to back of your phone or phone case

Can also be used in handheld tap wrench

EISCO Labs Economy Spectroscope Tube, Pack of 6 auspowers_batchsix For playing audio from aEISCO Labs Economy Spectroscope Tube, Pack of 6 This spectroscope has been designed to let the user look through a slit spectrum of light decomposed by an optical system. The resulting spectra as viewed through the grating introduces students to many properties of visible light and optics. Allows students to quickly identify constituent wavelengths of visible light in many sources. An adjustable thin slit cap rotates to produce diffraction patterns in