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observatory - When did "resilvering" large telescope mirrors actually refer to aluminization, and why was it necessary? - Astronomy Stack Exchange
![observatory - When did "resilvering" large telescope mirrors actually refer to aluminization, and why was it necessary? - Astronomy Stack Exchange observatory - When did "resilvering" large telescope mirrors actually refer to aluminization, and why was it necessary? - Astronomy Stack Exchange](https://i.ytimg.com/vi/lkBgQaJVKjc/maxresdefault.jpg)
observatory - When did "resilvering" large telescope mirrors actually refer to aluminization, and why was it necessary? - Astronomy Stack Exchange
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