ICT Punched Tape tool No: 588254

One of the first methods of storing data and software for use on a computer was the use of punched paper tape. The tape was fed through a special tape reader and the rows of dots converted to numbers. Each dot corresponds to a BInary digiT (or BIT) of data. Eight bits in a group are called a BYTE (some people refer to half a byte, or 4 bits, as a NYBBLE).

The stainless steel ICT E.S.O. Tool No. 588254 is used to check that the punched tape (5, 7 or 8 channel) is accurate to ensure that the the tape can be read correctly. A punched  secion of the tape is laid over the template to check the alignment.

1 The guide edge of the tape is palced against the pins to check that the location hole is within tolerence along the limit line 'A'
2 The relative position of code holes on 'B' are also to be checked
3 To check pitch place tape along 'C'
4 Check width of tape at 'F'

Manufacturer: ICT
Date: 1966

ICT Punched Tape tool No: 588254 Manuals:

Item Manufacturer Date
Ferranti The Intermediate Supervisor Ferranti 12 Sep 1962
Myriad Programming Manual T6010 BM Marconi Nov 1967
Addmaster models 606/8 technical information Addmaster 1978

Magazines RELATED to ICT Punched Tape tool No: 588254 in our Library

Item Manufacturer Date
ULCC News November 1973 Newsletter 61 Nov 1973
ULCC News April 1974 Newsletter 66 Apr 1974

Other Systems Related To ICT Punched Tape tool No: 588254:

Item Manufacturer Date
Sirius Model 511 Victor 1982
Victor 9000 Victor Technologies Inc 1982
Victor Vi Victor Technologies Inc 1982
Sirius Model 504 Victor 1982
Victor Vicki Victor Technologies Inc 1984

This exhibit has a reference ID of CH6009. Please quote this reference ID in any communication with the Centre for Computing History.


ICT Punched Tape tool No: 588254

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