radium dial
noun1
The dial of a watch or clock on which the hours have been marked with a radium compound to make them luminous.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
The dial of a watch or clock on which the hours have been marked with a radium compound to make them luminous.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
Do you accept non-essential analytics cookies?