Inverting Spectacles Complete with two fully rotating inverting prisms in a shielded spectacle frame. The inverting prisms produce a lateral inversion of the rays – the world thus turns "upside down". Besides being a lucid demonstration ...
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Three-part set of accessories for holding a flint glass block (1012860) and a U-shaped transformer core (U8497215) in experiments on the Faraday effect.
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Fresnel biprism for observing interference by creating two virtual sources of light by refracting the light from a single coherent source.
Dimensions: 50x50x2 mm³
Prism angle: 179° approx.
Refractive index: 1.5231
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