00000ngm 2200000zi 4500 9.892906 CaOODSP 20220602141620 m o c f cr cn |||||||| 201027s2020 onc000 fo vceng d 9780660364421 CaOODSP eng rda CaOODSP CH57-4/17-3-2020E-MP4 Time-lapse video of deterioration : two iron keys, incorrect relative humidity and pollutants. [Ottawa] : Canadian Conservation Institute = Institut canadien de conservation, [2020] 1 online resource (1 video file (1 min., 49 sec.)) : colour two dimensional moving image tdi rdacontent computer c rdamedia online resource cr rdacarrier Issued also in French under title: Vidéo en accéléré d'une détérioration : deux clés en fer, humidité relative inadéquate et polluants. "CCI videos." Title from title frames. Video transcript in HTML format provided by publisher. "This video demonstrates how high relative humidity and pollutants cause corrosion to form on two iron keys"--Provided by publisher. System requirements: Multimedia player software such as Windows Media Player. Mode of access: World Wide Web. Iron implements Conservation and restoration. Humidity Control. Instructional and educational works lcgft Internet videos lcgft Canadian Conservation Institute, issuing body. Vidéo en accéléré d'une détérioration : (CaOODSP)9.892907 MP4 72.01 MB https://publications.gc.ca/collections/collection_2021/pch/CH57-4-17-3-2020-eng.mp4 (video) HTML N/A https://www.canada.ca/en/conservation-institute/services/agents-deterioration/time-lapse-keys.html (transcript)