Notes written on paper with printed letterhead of Scott's Hotel, Collins Street, Melbourne, C.1., dated 31/3/44. Notes mention an experiment where a Scalebuoy was put in a lathe and the Electro Static Volts were measured at 46, 76, 131, 235 and 600 Revs per Minute. Tests were at the Radio School of Science, Melb. Technical College.sciences, instruments - general, scalebuoy, bill ashman collection - correspondence, scott's hotel melbourne, radio school of science, melb technical college, squadron leader mackay, burton, mackenzie