Physical Description:

plastic, teflon ptfe (overall material)

Measurements:

overall: 15.3 cm x 2 cm; 6 in x 13/16 in

overall: 6 in x 1/4 in; 15.24 cm x .635 cm

Object Name:

Braille Type Eraser

Description:

This “eraser” is made of polytetrafluoroethylene (PTFE), a synthetic fluoropolymer of tetrafluoroethylene known commercially as Teflon. It was made in 1987 by Home Press of the Perkins School for the Blind, and was used to "erase" raised dots of a braille cell. The application was first used in 1964.

Location:

Currently not on view

Subject:

Braille  Search this

Credit Line:

Gift of E. I. du Pont de Nemours & Co.

ID Number:

1989.0452.03

Catalog number:

1989.0452.03

Accession number:

1989.0452

See more items in:

Medicine and Science: Chemistry

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746a1-373a-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_332429