Summary
A relay used in some telegraph systems which reverses the conections of one or more circuits. Used at Melbourne Observatory.
Physical Description
Wooden base supporting a brass baseplate. Steel or iron 'L' piece mounted on baseplate supports two coils with parallel horizontal axes. 'L' piece also supports a horizontal brass plate above the coils. This plate carries spring contacts anf four brass screw terminals.
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
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Inscriptions
Inscribed on baseplate: "678". Scratched or written on baseplate in two places: '384' Engraved on baseplate in two places: '3'
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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
215 mm (Length), 120 mm (Width), 120 mm (Height)
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Keywords
