Spectrum Tubes Deuterium, glass tubes approximately 10-1/4in (260mm) long, central capillary portion approximately 3-1/2in to 4in (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps.
Rectangular Block - Glass, Made from imported optical glass with optically worked surfaces, All angles accurately worked with edges slightly bevelled and glass free from bubbles, Size: 125 x 65 x 18 mm
Educational Diffraction Slide, For Demonstrating The Principle Of The Diffraction Grating And The Way In Which Its Properties Are Dependent Upon The Number Of Lines Per Unit Length. Comprises A Card Mount 90 X 40 mm Approximately With Three 16 X 9 mm Apertures
Double Cone & Plane, Defy Gravity As Cone Appears To Roll Upward. This Visual Demonstrator Of The Center Of Gravity Has A Wooden Frame With Diverging Rails And A Double-Ended Cone. The Cone Appears To Roll Up Actually The Center Of Mass Is Moving Down.
Slit, Five single slits of different widths in a slide frame. Specifications: Slit widths: 0.1/ 0.2/ 0.4/ 0.8/ 1.6 mm, Dimensions: 50x50 mm2, Weight: 0.02 kg
Double Convex round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, for educational uses, Size: 100mm focal length, 2in diameter and 8mm thick
Prism, with different angle 25 x 25 x 130degree, Optical Borosilicate Crown glass having R.I. 1.510 App. Optically worked for use with Spectrometer, Equilateral, two facespolished 32 x 32 mm height.Double Extra Dense Flint R. Index 1.71-1.74, Weight (lb): 1.3, 6.3x6.3x3.9in
Double Concave Optical round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 250mm focal length, 50mm diameter and 3mm thick
Double Concave Optical round Lens, Material: Glass, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 150mm focal length, 50mm diameter and 5.5mm thick
Spectrometer - Basic, Sturdy Metal And Includes An Adjustable Collimator Tube, Telescope, And Prism Stand, For Use In Elementary Schools, Measure The Angle Of Prisms Using The Law Of Reflection, Demonstrate Optics Phenomenon With A Diffraction Grating Or Measure The Wavelengths
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