Patent model for bank note printing: method of making plates of requisite hardness

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Object Details

maker

Sellers, Alfred

Description (Brief)

This patent model demonstrates an invention for bank note printing which was granted patent number 41724. In the steel transfer process used for intaglio security printing, it was difficult to make a plate that was both soft enough to receive an impression and hard enough to resist distortion in the transfer process. By this invention, a hard steel plate was faced with a sheet of soft iron.

Location

Currently not on view

date made

ca 1864

patent date

1864-02-23

ID Number

GA.89797.041724

patent number

041724

accession number

089797

catalog number

GA*89797.041724

Object Name

manufacture, banknote printing plate

Object Type

Patent Model

Physical Description

metal (overall material)

Measurements

overall: .3 cm x 4.3 cm x 7.7 cm; 1/8 in x 1 11/16 in x 3 1/16 in

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Work and Industry: Graphic Arts

Patent Models, Graphic Arts

Work

Communications

Industry & Manufacturing

Patent Models

Data Source

National Museum of American History

Metadata Usage

CC0

Link to Original Record

https://n2t.net/ark:/65665/ng49ca746ab-d699-704b-e053-15f76fa0b4fa

Record ID

nmah_998949