File:AirMotionTransformer.png

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	10:35, 25 August 2011		506 × 361 (15 KB)	commons>Rics1299	{{Information \|Description={{en\|Air-motion transformer sketch, from Heil's US patent 3636278, 1972. That makes it PD, but I couldn't spot an appropriate tag for a patent drawing so I used the US gov tag.}} \|Source=Transferred from [http://en.wikipedia.or

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