GB911898A - Improvements in or relating to slide rules - Google Patents

Improvements in or relating to slide rules

Info

Publication number
GB911898A
GB911898A GB3217360A GB3217360A GB911898A GB 911898 A GB911898 A GB 911898A GB 3217360 A GB3217360 A GB 3217360A GB 3217360 A GB3217360 A GB 3217360A GB 911898 A GB911898 A GB 911898A
Authority
GB
United Kingdom
Prior art keywords
pair
slide
side strips
sept
stock
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
GB3217360A
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.)
LAI KING YAN
Original Assignee
LAI KING YAN
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 LAI KING YAN filed Critical LAI KING YAN
Priority to GB3217360A priority Critical patent/GB911898A/en
Publication of GB911898A publication Critical patent/GB911898A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G1/00Hand manipulated computing devices
    • G06G1/02Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/04Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by construction

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

911,898. Slide rules. LAI KING-YAN. Sept. 19, 1961 [Sept. 19, 1960], No. 32173/60. Class 106 (1). A slide rule has a stock 10 formed as a shaped sheet having a central channel 13 and a pair of side strips which extend outwardly from the top of the channel walls and which are reflex to define a pair of slots 15. The slide 11 is also formed as a shaped sheet having a pair of side strips 16, which are arranged to be received by the slots 15, and a raised central slip 17 which presents a surface substantially flush with the top surface of the side strips of the stock. A transparent cursor 12 with end portions 19 and a finger stop 20, and the normal A, B, C and D scales are provided.
GB3217360A 1960-09-19 1960-09-19 Improvements in or relating to slide rules Expired GB911898A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3217360A GB911898A (en) 1960-09-19 1960-09-19 Improvements in or relating to slide rules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3217360A GB911898A (en) 1960-09-19 1960-09-19 Improvements in or relating to slide rules

Publications (1)

Publication Number Publication Date
GB911898A true GB911898A (en) 1962-11-28

Family

ID=10334445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3217360A Expired GB911898A (en) 1960-09-19 1960-09-19 Improvements in or relating to slide rules

Country Status (1)

Country Link
GB (1) GB911898A (en)

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