1907: exhibits by Professor H. Konen
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List of all exhibits from the catalogue for this exhibition:
| Exhibit no. | Exhibitor | Exhibit title | Section | Picture | Catalogue |
|---|---|---|---|---|---|
| 395 | Professor H. Konen | Spectrum of iron | Scientific and Technical Photography and its Application to Processes of Reproduction | catalogue page | |
| 396 | Professor H. Konen | Spectrum of cyanogen | Scientific and Technical Photography and its Application to Processes of Reproduction | catalogue page | |
| 491 to 494 | Professor H. Konen | Mercury Arc 3rd order, concave grating; notwithstanding the smallness of the dispersion, there are traces of satellites. | Scientific and Technical Photography and its Application to Processes of Reproduction | catalogue page | |
| 491 to 494 | Professor H. Konen | Ditto, Band Spectrum (part of) of Mercury; extremely sharp lines. | Scientific and Technical Photography and its Application to Processes of Reproduction | catalogue page | |
| 491 to 494 | Professor H. Konen | Mercury Arc, same as (1) | Scientific and Technical Photography and its Application to Processes of Reproduction | catalogue page | |
| 491 to 494 | Professor H. Konen | Arc spectrum of sodium. (M.) | Scientific and Technical Photography and its Application to Processes of Reproduction | catalogue page |
