General Information

Serial #

PROTOTYPE

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

METAL BOX; METAL-ON-PLASTIC PLATE HOLDS METAL DOTS(ON TOP); ELECTRICAL CORD; CALCULATOR: ELECTRONIC LIGHT DISPLAY TYPE, METAL BUTTON PANEL, PLASTIC CASE, BUTTONS, AND DISPLAY COVER, NUMERICAL BRAILLE CELL IN BACK; RUBBER FEET.

Dimensions

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

Length

27.4 cm

Width

14.7 cm

Height

2.1 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Mathematics

Category

Calculating devices

Sub-Category

N/A

Manufacturer

AKA

NRC

Country

Canada

State/Province

Ontario

City

Ottawa

Context

Country

Canada

State/Province

Ontario

Period

MID 1970'S(?)

Canada

IDEA OF JIM SWAIL

Function

CONVERTS CALCULATOR OUTPUT ON NUMERICAL BRAILLE CELL.

Technical

ONE OF EARLIEST VERSIONS DEVELOPED AT NRC.

Area Notes

Unknown

Details

Markings

NUMBERS & MATHEMATICAL SIGNS ARE MARKED ABOVE EACH CALCULATOR KEY; 'TEXAS INSTRUMENTS TI-2550 III' PRECEDED BY TRADEMARK (SHAPE OF STATE OF TEXAS WITH LOWERCASE 'T' IN IT) ARE MARKED IN GOLD BELOW DISPLAY WINDOW.

Missing

N/A

Finish

BOX PAINTED TURQUOISE; GOLD-COLOURED METAL-ON-GREENISH PLASTIC PLATE HOLDS SILVER-COLOURED RAISED METAL DOTS (UNDERNEATH THIS IS A PLATE OF SHINY BLACK PLASTIC TO HOLD IN PLACE); CORDAND RUBBER FEET ARE BLACK;CALCULATOR: BLACK CASE & BUTTONS; ELD APPEARS TO BE GREEN; BUTTON PANEL SILVER-COLOURED METAL WITH METALLIC TRIM.

Decoration

N/A