Summary
Thomson amplifier, bridging type.
This instrument can be placed across two wires of a communication channel to monitor the signal without causing any interference or disruption.
Used at Melbourne Observatory.
Physical Description
Glass cylinder with brass cover. Cover fitted with three brass screw terminals. Metal components beneath cover, inside cylinder.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Transfer from Melbourne Observatory, 1945
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User
Melbourne Observatory, South Yarra, Greater Melbourne, Victoria, Australia, 1868 or later
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
100 mm (Length), 100 mm (Width), 145 mm (Height), 100 mm (Outside Diameter)
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Keywords
