General Information

Serial #

51430

Part Number

1

Total Parts

4

AKA

N/A

Patents

N/A

General Description

CAST STEEL AND ALUMINUM FRAME PARTS/ PRESSED STEEL AND BAR STOCK MECHANICAL PARTS

Dimensions

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

Length

52.0 cm

Width

44.0 cm

Height

39.0 cm

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

1938 TO 1960

Canada

REPLACED TRAINED TELEGRAPHERS IN CERTAIN FIELDS & MADE HIGH SPEED PRINTED PAGE COMMUNICATION PRACTICAL OVER LONG DISTANCES. MOST COMMON MACHINE USED IN N. AMERICA (C.1937-60). USED BY NEWS SERVICES, PRIVATE LINE COMMUNICATIONS ETC.

Function

TO SEND HIGH SPEED PRINTED PAGE MESSAGES BETWEEN CENTRES/ RECEIVE END IS FULLY AUTOMATIC. SEND MACHINE MAY BE OPERATED BY A TRAINED TYPIST REPLACING TRAINED TELEGRAPHERS. ONLY UPPER CASE, NUMBERS & PUNCTUATION MAY BE TRANSMITTED.

Technical

ONE OF A SERIES OF PRINTING TELEGRAPH OR DATA PRINTERS THAT LED TO THE DEVELOPMENT OF EARLY ASCII 8 LEVEL MACHINES USING THE SAME CODE FORMAT NOW USED IN ALL COMPUTER COMMUNICATIONS. EARLY MACHINES RAN AT 40 WPM, LATER INCREASED TO 60 & FINALLY WITH MODIFICATIONS, TO 75 WPM. THIS MODEL HAS A HOLDING MAGNET SELECTOR BUT WOULD BE LIMITED TO 60 WPM BECAUSE OF ITS EARLIER STYLE BASKET. MODELS WERE PRODUCED FOR FORM FEED PAPER (SIMILAR TO MODERN TRACTOR FEED) & FRICTION FEED (ROLL PAPER); THIS MACHINE IS FRICTION FEED, TYPE BAR & MOTOR DRIVEN (1/40 HP).

Area Notes

Unknown

Details

Markings

MFR'S PLATE: 'TELETYPE/ REG. CANADIAN PAT. OFF./ MANUFACTURED BY/ TELETYPE CORPORATION/ CHICAGO, U.S.A.'/ PLATES ON FRONT: 'SEND/ REC/ BREAK'/ 'ON'/ 'OFF'/ 3 ROSE OF KEYS MARKED: '1Q/ 2W/ 3E/ 4R/ 5T/ 6Y/ 7U/ 8I/ 9O/ 9O/; - A/ BELL SET/ $D/ !F/ &G/ #H/ `J/ (K/ )L/ CAR RET/; FIGS/ "Z/X/:C/;V/ ?B/ 'N/.M/ LTRS/ LINE FEED'/ STENCILLED ON FRONT: 'P25'/ VARIOUS PLATE NUMBERS: TYPE BASKET - '51903'; MAIN FRAME - '51430'; KEYBOARD - '99863'; MOTOR - '61656'

Missing

LINE RELAY ASSEMBLY REMOVED (STANDARD OPTION BY SOME USER COMPANIES)(1994)

Finish

BLACK CRINKLE FINISH CASE/ FRAME, BLACK GLOSS ENAMEL/ OTHER PARTS NATURAL STEEL.

Decoration

N/A