Hofmann's spectroscope. 1895. Dr. J. G. Hofmann; originally of German extraction; established a business in Paris as an optical and philosophical instrument maker. The firm was active between the years 1850-1875 trading at rue de Bucy. Later (1863-1875); the firm was referred to as l' Institute d' Optique à Paris.

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Hofmann's spectroscope. 1895. Dr. J. G. Hofmann; originally of German extraction; established a business in Paris as an optical and philosophical instrument maker. The firm was active between the years 1850-1875 trading at rue de Bucy. Later (1863-1875); the firm was referred to as l' Institute d' Optique à Paris.

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Keywords: 1895., archival, archive, dr, historical, history, hofmann, hofmanndr, hofmanngermanspectroscope1895opticalphilosophicalinstrument, makerparisoptical, spectrometerelectromagnetic, spectroscope., spectrum