Light source for experiments demonstrating ray optics on a white board (U10030 or U10031). With an adjustable aperture for producing a concentrated or divergent light beam.
Lamp: 12 V, 35 W
Connecting line: 1.5 m long with 4 mm plug
Dimensions: approx. 120 mm x 70 mm dia.
Weight: approx. 0.25 kg
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