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Details

Artifact no.
1985.0822.001
Manufacturer
National Research Council Canada
Manufacturer Location
Ottawa, Ontario, Canada
Context Function
CONVERTS CALCULATOR OUTPUT ON NUMERICAL BRAILLE CELL.
Context Technical
ONE OF EARLIEST VERSIONS DEVELOPED AT NRC.
Context Canada
IDEA OF JIM SWAIL
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.
Number of Parts
1
Serial Number
PROTOTYPE
Artifact 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.
Artifact 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.
Group 1
Mathematics
Category 1
Calculating devices
Subcategory 1
Electronic
Material
metal->;synthetic->plastic;resin->rubber
Length
27.4 cm
Width
14.7 cm