Adding and Subtracting Machine

Adding and Subtracting Machine Metadata

Metadata describes a digital item, providing (if known) such information as creator, publisher, contents, size, relationship to other resources, and more. Metadata may also contain "preservation" components that help us to maintain the integrity of digital files over time.

Available Formats

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Title

Main Title Adding and Subtracting Machine

Creator

Inventor: Wittnebert, Duke

Creator Type: Personal

Creator Info: Duke Wittnebert of Del Rio, Texas.

Contributor

Witness: Stephen, M. H.

Contributor Type: Personal

Contributor Info: Witness of illustration.
Printer: Wharner, J.

Contributor Type: Organization

Contributor Info: Witness of illustration.

Publisher

Name: United States. Patent Office.

Place of Publication: [Washington D.C.]

Date

Creation: 1918-09-21
Acceptance Date: 1918-09-21
Submission Date: 1920-10-14

Language

English

Description

Content Description: Patent for an improved adding and subtracting machine adapted to be attached to the end of a lead pencil. It is readily manufactured and simple in construction.
Physical Description: 3 sheets, 2 p. : ill. ; 23 cm.

Subject

Library of Congress Subject Headings: Inventions
University of North Texas Libraries Browse Structure: Science and Technology
Library of Congress Subject Headings: Calculating-machines
Library of Congress Subject Headings: Adding-machines
Keyword: calculator

Primary Source

Item is a Primary Source

Collection

Name: Texas Patents

Code: TXPT

Institution

Name: UNT Libraries Government Documents Department

Code: UNTGD

Rights

Rights License: pd

Resource Type

Patent

Format

Text

Identifier

Patent Number: 1361949
Government Documents No.: 02/255078
Archival Resource Key: ark:/67531/metapth1257628

Note

Display Note: Application filed September 21, 1918. Serial No. 255,078.