GB784927A - Improvements in or relating to rulers - Google Patents

Improvements in or relating to rulers

Info

Publication number
GB784927A
GB784927A GB1606256A GB1606256A GB784927A GB 784927 A GB784927 A GB 784927A GB 1606256 A GB1606256 A GB 1606256A GB 1606256 A GB1606256 A GB 1606256A GB 784927 A GB784927 A GB 784927A
Authority
GB
United Kingdom
Prior art keywords
rulers
relating
nightingale
ruler
bars
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
GB1606256A
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.)
ROBERT NIGHTINGALE
Original Assignee
ROBERT NIGHTINGALE
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 ROBERT NIGHTINGALE filed Critical ROBERT NIGHTINGALE
Priority to GB1606256A priority Critical patent/GB784927A/en
Publication of GB784927A publication Critical patent/GB784927A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/12—Square and pivoted straightedges

Landscapes

  • Pivots And Pivotal Connections (AREA)

Abstract

784,927. Parallel rulers. NIGHTINGALE, R. May 24, 1956, No. 16062/56. Class 97(3) In a ruler comprising bars 10, 11 connected by pivoted links 15, projecting friction elements in the form of rings 21 of, for example, rubber are provided in annular grooves concentric with the link pivots.
GB1606256A 1956-05-24 1956-05-24 Improvements in or relating to rulers Expired GB784927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1606256A GB784927A (en) 1956-05-24 1956-05-24 Improvements in or relating to rulers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1606256A GB784927A (en) 1956-05-24 1956-05-24 Improvements in or relating to rulers

Publications (1)

Publication Number Publication Date
GB784927A true GB784927A (en) 1957-10-16

Family

ID=10070462

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1606256A Expired GB784927A (en) 1956-05-24 1956-05-24 Improvements in or relating to rulers

Country Status (1)

Country Link
GB (1) GB784927A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2426069A (en) * 2005-05-14 2006-11-15 David John Young A parallel rule comprising two rulers linked by at least two parallel cross-arms

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2426069A (en) * 2005-05-14 2006-11-15 David John Young A parallel rule comprising two rulers linked by at least two parallel cross-arms
GB2426069B (en) * 2005-05-14 2011-02-09 David John Young Plotting device

Similar Documents

Publication Publication Date Title
GB784927A (en) Improvements in or relating to rulers
GB780321A (en) Improvements relating to sets of weights for use with weighing apparatus
GB829786A (en) Improvements in or relating to mine supports
CA523951A (en) 1-chloro-2,3-butanedione-3-oxime
AU216554B2 (en) Turbine blade rings
FI28523A (en) For example, framställning av construcådar och -fibrer ur proteiner
AU212683B2 (en) Improvements relating to links, levers, arms or like members
ES53689U (en) Folding bed (Machine-translation by Google Translate, not legally binding)
AU217098B2 (en) Belting
GR17249B (en) FILE - SECURITY LETTER.
AU2502757A (en) Turbine blade rings
AT186891B (en) Open ring, especially for safety belts
CA529628A (en) .alpha.,.alpha.,.alpha.-TRIFLUOROACETAMIDES
CA528935A (en) 3,11.alpha., 20-TRIACYLOXY-3,17(20)-PREGNADIENES
DK89615C (en) Polymerizable mixture.
CA520303A (en) Organopolysilanes
AU2104456A (en) Improvements relating to links, levers, arms or like members
CA532132A (en) 3.beta., 20-DIACYLOXY-17, 20-EPOXY-11 KETOALLOPREGNANE
CA516501A (en) O-(4-nitrophenyl) n,n-diethylamidoalkanephosphonates
ES52477U (en) Double button (Machine-translation by Google Translate, not legally binding)
FI31580A (en) Anordning för central, trådförbunden tillståndsövervakning, speciellt för tågövervakning
CA531574A (en) 9 (11),16-bisdehydro-21-norprogesterone
AU1977356A (en) Belting
ES203090A3 (en) Improvements in the construction of conveyor belts (Machine-translation by Google Translate, not legally binding)
DK114656B (en) As a rubber useful polymer of 1,3-butadiene and process for its preparation.