See more objects with the tag industrial design, numbers, calculation, mathematics, calculator.

See more objects with the color dimgrey lightgrey or see all the colors for this object.

Object Timeline

1980

  • Work on this object began.

2013

2015

2018

2025

  • You found it!

Model ET55 Calculator Calculator

This is a Calculator. It was designed by Dieter Rams and Dietrich Lubs and manufactured by Braun AG. It is dated 1980 and we acquired it in 2015. Its medium is abs plastic, electronic components. It is a part of the Product Design and Decorative Arts department.

This object was donated by George R. Kravis II. It is credited Gift of George R. Kravis II.

Our curators have highlighted 2 objects that are related to this one.

Its dimensions are

H x W x D: 13.6 × 7.6 × 1 cm (5 3/8 in. × 3 in. × 3/8 in.)

Cite this object as

Model ET55 Calculator Calculator; Designed by Dieter Rams (German, b. 1932), Dietrich Lubs (German, b. 1938); Manufactured by Braun AG (Germany); abs plastic, electronic components; H x W x D: 13.6 × 7.6 × 1 cm (5 3/8 in. × 3 in. × 3/8 in.); Gift of George R. Kravis II; 2015-5-4

This object was previously on display as a part of the exhibition Bob Greenberg Selects.

There are restrictions for re-using this image. For more information, visit the Smithsonian’s Terms of Use page.

For higher resolution or commercial use contact ArtResource.

If you would like to cite this object in a Wikipedia article please use the following template:

<ref name=CH>{{cite web |url=https://www-6.collection.cooperhewitt.org/objects/68813989/ |title=Model ET55 Calculator Calculator |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=19 March 2025 |publisher=Smithsonian Institution}}</ref>