Timeline for What type of abrasive grit was used to grind lenses for telescopes?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| Jun 1, 2023 at 3:26 | comment | added | CommunityBot | Your answer could be improved with additional supporting information. Please edit to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers in the help center. | |
| May 31, 2023 at 12:23 | comment | added | mdewey | Can you provide any references to back this up? | |
| May 31, 2023 at 9:45 | review | Late answers | |||
| May 31, 2023 at 12:23 | |||||
| S May 31, 2023 at 9:22 | review | First answers | |||
| Jun 1, 2023 at 3:26 | |||||
| S May 31, 2023 at 9:22 | history | answered | user18496 | CC BY-SA 4.0 |