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Title: Band pass filter type D-870-B, no. 331500, 750 C/S to 2700 C [Go to resource]
Description: Band pass filter type D-870-B, no. 331500, 750 C/S to 2700 C/S, by Muirhead and Co. Ltd., February 1960 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: band pass Temporal: 1960 Source: Science Museum Creator: Muirhead and Company Limited Identifier: 1989-954 Go to resource More Like this...
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