Accession No

6923

Brief Description

calculator, by Texas Instruments, U.S.A, 1990-1994 (c)

Origin

U.S.A.

Maker

Texas Instruments

Class

calculating

Earliest Date

1990

Latest Date

1994

Inscription Date

Material

plastic (plastic); glass; rubber; metal

Dimensions

101mm (length), 8mm (height), 62mm (width)

Special Collection

Provenance

Inscription

"Texas Instruments 507" written on front.

"U.S.A. patents 3819921, 3932846, 4208720"
"Brevets/patentes 3921143, 4115705, 4348733"
"Assembled in China"
"Montado na China"
All on back of case, in English and Portuguese respectively.

Small company logo moulded on the bottom left of the front case.

Description Notes

Calculator, by Texas Instruments, U.S.A, 1990-1994 (c).

Texas Instruments 507 calculator. Small beige solar powered calculator with rubber buttons and a grey plastic back. The name of the brand and calculator is on the front in red, along with a small solar panel, while the back has patent numbers and "made in China" moulded both in English and Portuguese.

References

Events