Item Number :
(470349-652)
Item Number :
(470015-970)
Item Number :
(470332-748)
Item Number :
(470006-938)
Item Number :
(470110-634)
Item Number :
(470110-628)
Item Number :
(470117-790)
Item Number :
(470017-048)
Item Number :
(470328-066)
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: 250mm focal length, 3mm thick, Lens measures 1.5in diameter, 0.1 weight
Item Number :
(470164-816)
Spectrum Discharge Tube, Mercury Gas to show spectral lines of pure substances. Tubes approximately 260mm long, central capillary portion approximately 3-1/2 to 4 (90-100mm) long with electrodes sealed at both ends and connected to lead wires protected by metal caps
Item Number :
(470351-396)
New Product
Item Number :
(470157-646)
Item Number :
(470146-715)
Paraffin Candles, White
Item Number :
(470340-088)
Item Number :
(470230-212)
Color Filters, Mounted
Item Number :
(470328-088)
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: 250mm focal length, 3.5mm thick, Lens measures 2in diameter, 0.2 weight
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