General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

COATED CARDSTOCK

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

10.2 cm

Width

6.5 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Communications

Category

Telegraphy

Sub-Category

N/A

Manufacturer

AKA

Teletype

Country

United States of America

State/Province

Illinois

City

Chicago

Context

Country

Canada

State/Province

Unknown

Period

LATE 1950'S INTO THE 1970'S

Canada

USED IN CANADA AFTER THE MODEL 28 TELETYPE MACHINE REPLACED THE MODEL 15. THIS ONE USED BY DONOR WHILE WORKING FOR BELL CANADA.

Function

USED TO SHOW THE LOCATION AND ARANGEMENT OF THE VARIOUS LETTER AND CHARACTERS IN THE MODEL 28 TELETYPE TYPE BOX.

Technical

THE MODEL 28 TTY USED A TYPE BOX & HAMMER TO REPLACE THE TYPEWRITER-LIKE TYPE BASKET OF EARLIER MACHINES. IT WAS MUCH LIGHTER & FASTER PRINTING. THIS CARD SHOWED THE ARRANGEMENTS OF THAT BOX (AND THE 5-LEVEL CODE FOR EACH ELEMENT IN THE BOX.)

Area Notes

Unknown

Details

Markings

PRINTING READS IN PART: 'MODEL 28 TYPEBOX CODE CHART/ LETTERS FIGURES/.../ BELL SYSTEM TYPE ARRANGEMENT "A"/ (TELETYPE CODE "RA")/ 1400 WRIGHTWOOD AVE. CHICAGI 14, ILLINOIS/ TELETYPE [LOGO]/ REG. U.S. PAT. OFFICE/ CORPORATION/.../ BELL SYSTEM TYPE ARRANGEMENT "C"/ (TELETYPECODE "RC")'

Missing

COMPLETE

Finish

WHITE WITH BLACK PRINTING - COATED WITH A SHINY CLEAR SUBSTANCE

Decoration

N/A