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Telegraph Register - Embossing, late 19th Century Object Reg. No: ST 007103

Summary:
Telegraph embossing register for receiving and recording telegraph signals.

In operation, the intermittent current generated by the received signals causes the embossing stylus to be intermittently pressed on to a moving paper tape. The stylus embosses a series of long and short marks on the tape, with the length of each mark depending on whether the duration of the current flow is long (producing a dash) or short (producing a dot.)

The mechanism which moves the tape is driven by a falling weight attached to a chain passing over a sprocket on the main drive shaft.
Description:
Wooden baseboard. Two vertical coils at one end of baseboard. Gear mechanism enclosed in brass case with inking mechanism mounted above case. Arm with spindle to hold reel of paper tape missing. Various terminals for wire connections.
Acquisition Information:
Donation from Mr John Thompson, 1915
Discipline: Technology
Dimensions: 160 mm (Height), 170 mm (Width), 288 mm (Length)

More information

Tagged with: telegraphy
Themes this item is part of: The Australian telegraph network 1854-1877, J.J. Thompson - donor of telegraph objects to the Museum, Telegraphy Collection, Information & Communication Collection
Primary Classification: COMMUNICATIONS
Secondary Classification: Telegraphy
Tertiary Classification: components
Inscriptions: Nil
Collector: Mr John Thompson, Armadale, Victoria, Australia, 27 Apr 1915

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