FR1278E - Improvements in calculating machines - Google Patents

Improvements in calculating machines

Info

Publication number
FR1278E
FR1278E FR1278DA FR1278E FR 1278 E FR1278 E FR 1278E FR 1278D A FR1278D A FR 1278DA FR 1278 E FR1278 E FR 1278E
Authority
FR
France
Prior art keywords
calculating machines
machines
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
Application number
Other languages
French (fr)
Inventor
Wales Charles
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR1278E publication Critical patent/FR1278E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C7/00—Input mechanisms
    • G06C7/02—Keyboards
    • G06C7/06—Keyboards with one set of keys for each denomination

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
FR1278D 1902-09-29 1902-12-20 Improvements in calculating machines Expired FR1278E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR325849T 1902-09-29
FR1278T 1902-12-20

Publications (1)

Publication Number Publication Date
FR1278E true FR1278E (en) 1903-07-01

Family

ID=1343285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1278D Expired FR1278E (en) 1902-09-29 1902-12-20 Improvements in calculating machines

Country Status (1)

Country Link
FR (1) FR1278E (en)

Similar Documents

Publication Publication Date Title
FR3605E (en) Improvements in calculating machines
FR1278E (en) Improvements in calculating machines
FR1276E (en) Improvements in calculating machines
FR1277E (en) Improvements in calculating machines
FR325849A (en) Improvements in calculating machines
FR325807A (en) Improvements in match machines
FR318554A (en) Improvements in typewriters
FR324525A (en) Improvements in sharpening machines
FR318549A (en) Improvements in galvanizing machines
FR338748A (en) Improvements in calculating machines
FR321993A (en) Improvements in typewriters
FR319485A (en) Improvements in typewriters
FR320483A (en) Improvement in typewriters
FR318356A (en) Improvements in bolt making machines
FR322139A (en) Improvements in typesetting machines
FR318935A (en) Improvements in sewing machines
FR330570A (en) Improvements in papermaking machines
FR331325A (en) Improvements in disintegrating machines
FR3176E (en) Improvements in embroidery machines
FR327607A (en) Improvements in embroidery machines
FR332574A (en) Improvements in punching machines
FR320685A (en) Improvements in lead presses
FR318820A (en) Improvements in bale making machines
FR336476A (en) Improvements in numbering machines
FR335135A (en) Improvements in milking machines