File:Mechanical transducer. - DPLA - cfb11a91bbe9ab7384f897fb55faf74c (page 4).jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	20:46, 28 January 2021		1,800 × 1,664 (387 KB)	DPLA bot	Uploading DPLA ID cfb11a91bbe9ab7384f897fb55faf74c

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