Astronomical polariser by Hilger, London

Catalogue number #136014794

Astronomical Polariser by Hilger 1	Astronomical Polariser by Hilger 2	Astronomical Polariser by Hilger 3

Description:

Combination double prism and polariser eyepiece by A. Hilger, London for an astronomical telescope. Barrel 1.4" (35.74 mm) diameter. The firm of A Hilger was amongst the top firms in the world for the manufacture of astronomical spectroscopes.

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