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US1003086A - Key-set calculating-machine. - Google Patents

Key-set calculating-machine. Download PDF

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Publication number
US1003086A
US1003086A US56556210A US1910565562A US1003086A US 1003086 A US1003086 A US 1003086A US 56556210 A US56556210 A US 56556210A US 1910565562 A US1910565562 A US 1910565562A US 1003086 A US1003086 A US 1003086A
Authority
US
United States
Prior art keywords
key
machine
set calculating
calculating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US56556210A
Inventor
Glenn J Barrett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BARRETT ADDING MACHINE Co
Original Assignee
BARRETT ADDING MACHINE CO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BARRETT ADDING MACHINE CO filed Critical BARRETT ADDING MACHINE CO
Priority to US56556210A priority Critical patent/US1003086A/en
Application granted granted Critical
Publication of US1003086A publication Critical patent/US1003086A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C11/00—Output mechanisms
    • G06C11/04—Output mechanisms with printing mechanisms, e.g. for character-at-a-time or line-at-a-time printing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Calculators And Similar Devices (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Electrophonic Musical Instruments (AREA)

Description

US56556210A 1910-06-07 1910-06-07 Key-set calculating-machine. Expired - Lifetime US1003086A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US56556210A US1003086A (en) 1910-06-07 1910-06-07 Key-set calculating-machine.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56556210A US1003086A (en) 1910-06-07 1910-06-07 Key-set calculating-machine.

Publications (1)

Publication Number Publication Date
US1003086A true US1003086A (en) 1911-09-12

Family

ID=3071405

Family Applications (1)

Application Number Title Priority Date Filing Date
US56556210A Expired - Lifetime US1003086A (en) 1910-06-07 1910-06-07 Key-set calculating-machine.

Country Status (1)

Country Link
US (1) US1003086A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613872A (en) * 1952-10-14 Split mechanism
US3017081A (en) * 1962-01-16 Sales transaction registering apparatus
DE1178237B (en) * 1960-01-11 1964-09-17 Burroughs Corp Computing device with splittable operand storage unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613872A (en) * 1952-10-14 Split mechanism
US3017081A (en) * 1962-01-16 Sales transaction registering apparatus
DE1178237B (en) * 1960-01-11 1964-09-17 Burroughs Corp Computing device with splittable operand storage unit

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