GB115981A - Improvements in Slide Rules. - Google Patents

Improvements in Slide Rules.

Info

Publication number
GB115981A
GB115981A GB1130917A GB1130917A GB115981A GB 115981 A GB115981 A GB 115981A GB 1130917 A GB1130917 A GB 1130917A GB 1130917 A GB1130917 A GB 1130917A GB 115981 A GB115981 A GB 115981A
Authority
GB
United Kingdom
Prior art keywords
slide
slide rules
rules
davis
son
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
GB1130917A
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.)
John Davis and Son Derby Ltd
Original Assignee
John Davis and Son Derby Ltd
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 John Davis and Son Derby Ltd filed Critical John Davis and Son Derby Ltd
Priority to GB1130917A priority Critical patent/GB115981A/en
Publication of GB115981A publication Critical patent/GB115981A/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)
  • Hinges (AREA)
  • Press Drives And Press Lines (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

115,981. Davis & Son, J., and Davis, W. H. Aug. 7, 1917. Slide-rules.-The tightness of the slide is adjusted by cross-plates 7 having inwardly-turned ends, with which engage screws 8 passing through the body of the rule.
GB1130917A 1917-08-07 1917-08-07 Improvements in Slide Rules. Expired GB115981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1130917A GB115981A (en) 1917-08-07 1917-08-07 Improvements in Slide Rules.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1130917A GB115981A (en) 1917-08-07 1917-08-07 Improvements in Slide Rules.

Publications (1)

Publication Number Publication Date
GB115981A true GB115981A (en) 1918-05-30

Family

ID=32483167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1130917A Expired GB115981A (en) 1917-08-07 1917-08-07 Improvements in Slide Rules.

Country Status (1)

Country Link
GB (1) GB115981A (en)

Similar Documents

Publication Publication Date Title
GB115981A (en) Improvements in Slide Rules.
USD60758S (en) Design for a gas range
GB101051A (en) Improvements in the Construction of Slide Rules.
SU37703A1 (en) The method of producing tannate iron
USD57691S (en) Frederick k
USD61226S (en) Joseph w
USD135075S (en) Belting or the like for personal wear
USD63573S (en) Design foe
GB144043A (en) Safety pocket for garments
GB263162A (en) Arrangement for hermetically closing the annealing chambers of annealing furnaces
USD63571S (en) Design foe
GB119289A (en) Improvements in Spirit Levels.
GB107942A (en) Improvements in Parallel Vices.
GB116551A (en) Combination Treasury Note and Letter Case.
GB1084446A (en) Improvements in or relating to a benzocycloheptathiophenone
GB117599A (en) Improvements in Devices, or Appliances, for use in Teaching Children.
GB387750A (en) Improvements in automatic screw-plug switches or cut-outs
GB184114A (en) Improvements in point-protectors for hat pins or the like
GB114378A (en) A New or Improved Means for use in the Treatment of Piles or Hæmorrhoids, Fistula and the like.
Leidecker More contributions to American education.
GB191102184A (en) Improvements relating to Shuttles for Weaving.
GB191226537A (en) Improvements in or connected with Lamps.
GB191512362A (en) Improvements in Lantern Slides.
Riley et al. 274-275
GB164872A (en) Improved coalbox