TitleDemonstration apparatusAlternative TitlePhysics Museum Collection Unique IDUA-00002923Alternate IDH.PM.2006.269Date1918FormatTool - DemonstrationDescription
To show longitudinal waves with Crova's and Cheshire's disks. Wooden base with glass disc - one only. Disc is housed in a cardboard box, on the lid are the following numbers and letters: '1303 BAd2'.
