Talk:Floating collimator
Add topicLatest comment: 1 year ago by ElectronicsForDogs in topic A picture says a thousand words...
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A picture says a thousand words...
[edit]Given this device was invented 200 years ago, any patent drawings etc. must be public domain by now?
It'd be useful to see a diagram. ElectronicsForDogs (talk) 11:51, 18 March 2025 (UTC)