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Hilger Crystals Ltd ~ History

Hilger were founded in 1874 by two German precision optical instrument technicians Adam and Otto Hilger. They fled Germany a few years previous to escape religious persecution and en route to England worked for a short time for the French physicist Foucalt whose work on the precessing motion of a pendulum gave an insight into the fundamental understanding of the earth's rotation.

Hilger Crystals Ltd ~ About Us

Manufacturing was set up in London with a few employees who specialised in the manufacture of precision optical and mechanical instruments. The company prospered and grew and by 1902 had moved to larger premises in London. In that year Frank Twyman was appointed as General Manager and was renowned for his work with Green on the Twyman Green interferometer.

Hilger Crystals Ltd ~ Services

The range of materials manufactured for infrared applications covers Sodium Chloride (NaCl), Potassium Bromide (KBr), Potassium Chloride (KCl), Caesium Iodide (CsI) etc.

These are used for windows and beamsplitters for infrared spectroscopy and can be supplied from 2mm to 300mm in size. They can be supplied either as sawn blanks, fine ground blanks or with a pre-polished finish.

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