Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 411
hometer consists of recordinginstrument, flexible connecting tube and revolvingmechanism. Special sprockets and chains are furnishedfor connecting to shaft, as shown above. Strip Type Recording Milli-Voltmeter. This strip type recorder is here shown equipped withtwo Weston milli-voltmeter…
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