BT Test and Service Cards

British Telecom (BT) Test and Service Cards, including Test Cards 1A and 3A.
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BTT001 - Test Card 1A - handwritten voltages - Control number: 497 306

BTT001 - Test Card 1A - handwritten voltages - Control number: 497 306

Landis and Gyr Software Testkarte for STU 07 (Structure 7) Great Britain - Control number: 112L00020

Landis and Gyr Software Testkarte for STU 07 (Structure 7) Great Britain - Control number: 112L00020

BTT005 Test Card without any printed numbers/values

BTT005 Test Card without any printed numbers/values

BT Magnetic Test Card (MAG001), this card was used to test the credit card readers on BT Payphones. Read more and see photos of the reverse of the card: http://www.telephonecardcollector.com/british-telecom-test-cards.htm#magnetic-test-card

British Telecom (BT) Optical Cardphone Test Cards and

Test Card 2A (transit card) was used to help make mechanical adjustments and corrections to the position of the Card Readers erase head. Read more: http://www.telephonecardcollector.com/british-telecom-test-cards.htm#test-card-2a

British Telecom (BT) Optical Cardphone Test Cards and

Test Card 3A (gauge card) was used to make mechanical adjustments of the Card Reader. Read more: http://www.telephonecardcollector.com/british-telecom-test-cards.htm#test-card-3a

British Telecom (BT) Optical Cardphone Test Cards and

BTT002 Matt Test Card

British Telecom (BT) Optical Cardphone Test Cards and

BT C10 Eng card, this card does NOT appear in any UK Phonecard catalogue. Read more and see photos of the reverse of the card: http://www.telephonecardcollector.com/british-telecom-test-cards.htm#magnetic-test-card

British Telecom (BT) Optical Cardphone Test Cards and

BT Magnetic card (MAG003), this card was used to test the credit card readers on BT Payphones. Read more and see photos of the reverse of the card: http://www.telephonecardcollector.com/british-telecom-test-cards.htm#magnetic-test-card

British Telecom (BT) Optical Cardphone Test Cards and


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