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Title: Ayrton & Perry's secohmeter, no. 14105, by Nalder Bothers an [Go to resource]
Description: Ayrton & Perry's secohmeter, no. 14105, by Nalder Bothers and Co. Westminster License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: Ayrton & Perry's Source: Science Museum Creator: Nalder Brothers and Company (maker) Identifier: 1989-996 Go to resource More Like this...
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