GB1197135A - Calculator - Google Patents

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Publication number
GB1197135A
GB1197135A GB3026468A GB3026468A GB1197135A GB 1197135 A GB1197135 A GB 1197135A GB 3026468 A GB3026468 A GB 3026468A GB 3026468 A GB3026468 A GB 3026468A GB 1197135 A GB1197135 A GB 1197135A
Authority
GB
United Kingdom
Prior art keywords
pence
new
shillings
markings
marked
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
GB3026468A
Inventor
Dennis Malcolm Harrison
Ronald Cyril Porter
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
Priority to GB3026468A priority Critical patent/GB1197135A/en
Publication of GB1197135A publication Critical patent/GB1197135A/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
    • G06C15/00—Computing mechanisms; Actuating devices therefor
    • G06C15/02—Computing mechanisms; Actuating devices therefor operating on the binary scale

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,197,135. Calculators. D. M. HARRISON and R. C. PORTER. 9 Dec., 1968 [25 June, 1968], No. 30264/68. Heading G4B. A device for converting an amount in shillings and pence into new pence comprises two relatively rotatable members marked-off in shillings and pence and their new pence equivalents, respectively, and an overlying member having windows, through which the various amounts may be read. Two discs 25, 30 carrying shillings, pence and new pence equivalent markings are rotatable mounted between front and back plates 11, 13 separated by spacers 14 and heat sealed together. In a modification, the markings are carried by coaxial cylindrical members surrounded by a tubular member having windows through which the markings may be seen. In another arrangement, a base member has a raised annular portion marked off in pence and new pence and a ring marked off in shillings and new pence surrounds the raised annular portion and is movable relative thereto. An apertured face plate is mounted on the base member.
GB3026468A 1968-06-25 1968-06-25 Calculator Expired GB1197135A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3026468A GB1197135A (en) 1968-06-25 1968-06-25 Calculator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3026468A GB1197135A (en) 1968-06-25 1968-06-25 Calculator

Publications (1)

Publication Number Publication Date
GB1197135A true GB1197135A (en) 1970-07-01

Family

ID=10304893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3026468A Expired GB1197135A (en) 1968-06-25 1968-06-25 Calculator

Country Status (1)

Country Link
GB (1) GB1197135A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987000313A1 (en) * 1985-06-26 1987-01-15 Pietro Dezi Duodecimal numbering system and its applications

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987000313A1 (en) * 1985-06-26 1987-01-15 Pietro Dezi Duodecimal numbering system and its applications

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees