Teletype BRPE 20 High Speed Tape Punch

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Teletype BRPE 20 High Speed Tape Punch is an electromechanical device that rapidly punches information into paper tape at speeds up to 110 characters per second (1100 WPM).

This information is received from external control circuits in the form of multiwire electrical pulses and transformed into mechanical motions to feed tape, feed and code holes.

The set serves mainly as  a self contained unit in a high speed telegraph system.

The basic set components include a base unit, a motor unit, and a tape punch unit. The motor unit and tape punch units are mounted on the base and connected by a set of drive parts. The tape unwinds off a reel mounted on the side of the base and is fed and punched at the front of the punch unit.

The tape punch unit is synchronous and has a magnetic pickup that produces clock pulses to trigger the control circuits. Set variations permit operation from either transistorised or vacuum tube circuits. These circuits produce fully punched, standard teletypewriter paper tape of five, six, seven or eight levels. Optional features include drive parts to obtain different speeds and a protective cover to house the motor unit and part of the base.

Our unit is housed in a Data Dynamics protective case and together with a second unit, spares and manuals was very kindly donated by Mr John Mouncher

Date : 1960

Manufacturer : Teletype Corporation

This exhibit has a reference ID of CH2312. Please quote this reference ID in any communication with the Centre for Computing History.

Scan of Document: Teletype BRPE 20 High Speed Tape Punch

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