LENSES, SET OF SIX |
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| LENSES, SET OF SIX
(1110 ST ) |
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50mm dia. with ground and polished faces and ground edges. One each of the following shapes. Double convex, plano convex, converging concave, convex, diverging concave-convex, double concave, plano concave. Supplied in a velvet lined box.
As above but 75mm dia.
As above but 38mm dia.
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