User talk:Mannionrgg

February 2023
Hello, I'm David Biddulph. I wanted to let you know that one or more of your recent contributions&#32;to Angstrom have been undone because they did not appear constructive. If you would like to experiment, please use your sandbox. If you have any questions, you can ask for assistance at the Teahouse or the Help desk. Thanks. David Biddulph (talk) 14:12, 16 February 2023 (UTC)