Talk:Bell metal
Add topicLatest comment: 1 year ago by 184.97.242.124 in topic another use
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another use
[edit]bell-metal was also used for reflecting telescope objectives, in the very early days before silvered mirrors. someone who is not me should research and write about that. 184.97.242.124 (talk) 23:43, 28 October 2024 (UTC)