Adam Hilger Ltd. Section "B" : echelon diffraction gratings, Lummer-Gehrcke parallel plates, and apparatus for use in combination therewith.

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Adam Hilger Ltd.

Section "B" : echelon diffraction gratings, Lummer-Gehrcke parallel plates, and apparatus for use in combination therewith.

Diffraction -- Catalogs.

Optics -- Catalogs.

Scientific apparatus and instruments -- Catalogs.