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  • File:Test-Pulitura-Cappuccio-Ebanite-NaOH.jpg
    |Note_it=Cappuccio [[Pelikan]] in [[ebanite]] trattato per un'ora con tre concentrazioni di NaOH (1, 0.1 ...polishing with brushes and abrasive paste. The hood is the same in all the photos: the color difference is due to the editor's photographic expertise.
    (4 000 × 3 800 (4,12 MB)) - 01:59, 19 dic 2021