POLARISED LIGHT LIGHT SOURCES Lamp holder E-27 on post Threaded E-27 holder mounted on 100 mm long, Ø 10 mm support rod. Fitted with mains connection. Base not included. Item no. 413010 Polarising filters, unmounted Unmounted polarising filters for producing plane-polarised light. These quality filters block the light when positioned at 90 degrees to each other (transmitting only 0.005%). The protective film must be removed before use. Item no. 327000 1 pair. Dimensions: 50 x 50 mm Item no. 327011 1 pc. Dimensions: approx. 200 x 250 mm Infrared lamp 230 V / 250 W infrared lamp with E 27 fitting. Lamp diameter 120 mm. Item no. 287500 Polarising filters, slides As 327000, but sold as a pair mounted in 50 x 50 mm slides without glass. 1 pair. Dimensions: 50 x 50 mm. Item no. 327020 Torch, LED A strong and bright LED flashlight in a solid, moulded rubber casing which is non-slip and drop-proof. Specifications: 3 white LEDs, 10 lumens, approx. 34-hour battery life and up to 30-metre beam. Batteries not incl. (2 x 351007). Dimensions: Ø 70 x 191 mm Item no. 280641 Glass plate, clear Clear glass plate for mounting in 30500 Plate holder, and for use with a polarisation filter, for example, to find Brewster's angle. Dimensions: 180 x 120 x 2 mm. Item no. 304000 Torch with 9 LEDs Torch with 9 LEDs. This flashlight is approx. 9 cm long. Uses 3 x AAA batteries (351004), sold separately. Item no. 280612 38 38
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