Item Number :
(470328-080)
Double Convex Lens, Spherical, Optically Worked Glass Lens - with Ground Edges, Polished - optically true lens is excellent for physics classroom demonstrations in optics and light refraction, size: 50mm focal length, 13mm thick, Lens measures 2in diameter, 0.1 weight
Item Number :
(470039-614)
Item Number :
(470230-196)
Plane Mirrors Glass, Silvered Back With Protective Coating, Mounted On Wooden Block 20 mm Thick Approx. Size 75 X 50 mm
Item Number :
(470104-406)
Item Number :
(470148-750)
Item Number :
(470002-922)
Item Number :
(470148-708)
Item Number :
(470004-982)
Item Number :
(470332-630)
Item Number :
(470328-854)
Convex Mirror, Material: Glass, round, designed for physics and educational uses, Because of their educational use design, there may be minor imperfections that do not affect physical function, thickness varies as they are not designed, Size: 2in Diameter, 300mm FocalLength, 2mm Thick
Item Number :
(470005-526)
Item Number :
(470014-472)
Item Number :
(470230-234)
Wave Form Helix, Steel Wire Close-Wounded Helix 20 mm Diameter, Closed Length 3 Meters Extending To Approx. 9 Meters Extended, With Looped Ends.
Item Number :
(470110-372)
Item Number :
(470016-084)
Item Number :
(470016-054)
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