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File:UsingGroma.png Surveying using a Groma [[Category:Measurement and Surveying]](723 × 462 (66 KB)) - 15:12, 10 March 2021
File:Medievalplowingwoodcut2.png [[Category:Measurement and Surveying]](1,011 × 292 (245 KB)) - 14:58, 11 March 2021
File:Barleycorn.png [[Category:Measurement and Surveying]](313 × 245 (15 KB)) - 20:51, 10 March 2021
File:GuntersChain2.png [[Category:Measurement and Surveying]](500 × 379 (23 KB)) - 13:38, 11 March 2021
File:FootLabel.png Derivation of a Foot measurement of length [[Category:Measuring and Surveying]](500 × 351 (12 KB)) - 19:41, 9 March 2021
File:ELRPlate.png [[Category:Measurement and Surveying]](655 × 383 (34 KB)) - 14:27, 11 March 2021
File:BritishYard.png The informal public imperial measurement standards erected at the Royal Observatory, Greenwich, London, in the 19th [[Category:Measuring and Surveying]](956 × 374 (128 KB)) - 19:38, 9 March 2021
