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Title: Oscillator, R.C., type D-330-B no. 163004, by Muirhead and C [Go to resource]
Description: Oscillator, R.C., type D-330-B no. 163004, by Muirhead and Co. Ltd., January 1949, patents 489849 and 497148 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: R.C. Temporal: 1949 Source: Science Museum Creator: Muirhead and Company Limited Identifier: 1989-939 Go to resource More Like this...
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