Glass pyramid for the projection of four spectra

Made:
1876 in Paris
maker:
Léon Laurent
Glass pyramid for the projection of four spectra , by L

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Glass pyramid for the projection of four spectra , by L
Science Museum Group
© The Board of Trustees of the Science Museum

Glass pyramid for the projection of four spectra, by L. Laurent, Paris, 1876 (base 1 5/8-inches square).

Details

Category:
Optics
Object Number:
1876-342
Materials:
glass
Measurements:
overall: 32 mm x 40 mm x 40 mm, , .04kg
type:
pyramid
credit:
Laurent, L�on