GB170206A - An improved mathematical instrument for drawing ellipses - Google Patents

An improved mathematical instrument for drawing ellipses

Info

Publication number
GB170206A
GB170206A GB3093620A GB3093620A GB170206A GB 170206 A GB170206 A GB 170206A GB 3093620 A GB3093620 A GB 3093620A GB 3093620 A GB3093620 A GB 3093620A GB 170206 A GB170206 A GB 170206A
Authority
GB
United Kingdom
Prior art keywords
plate
arm
drawing ellipses
improved mathematical
mathematical instrument
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
GB3093620A
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.)
RALPH BARLOW ELLIOTT
Original Assignee
RALPH BARLOW ELLIOTT
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 RALPH BARLOW ELLIOTT filed Critical RALPH BARLOW ELLIOTT
Priority to GB3093620A priority Critical patent/GB170206A/en
Publication of GB170206A publication Critical patent/GB170206A/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
    • B43L11/00—Non-circular-curve-drawing instruments
    • B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
    • B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
    • B43L11/055—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses with guides

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

170,206. Elliott, R. B. Nov 2, 1920. No Patent granted (Sealing fee not paid). Ellipsographs.-A plate 1 having formed in it slots at right-angles to each other for receiving sliding blocks 5 carrying an arm 8 is supported above the paper on a stem 2, the drawing-point 13 being carried on an adjustable rod 11 attached to the arm 8 and situated below the plate 1 so that complete, curves of smaller dimensions than the plate may be described.
GB3093620A 1920-11-02 1920-11-02 An improved mathematical instrument for drawing ellipses Expired GB170206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3093620A GB170206A (en) 1920-11-02 1920-11-02 An improved mathematical instrument for drawing ellipses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3093620A GB170206A (en) 1920-11-02 1920-11-02 An improved mathematical instrument for drawing ellipses

Publications (1)

Publication Number Publication Date
GB170206A true GB170206A (en) 1921-10-20

Family

ID=10315412

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3093620A Expired GB170206A (en) 1920-11-02 1920-11-02 An improved mathematical instrument for drawing ellipses

Country Status (1)

Country Link
GB (1) GB170206A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5058282A (en) * 1991-04-08 1991-10-22 Coll Albert G Ellipsograph
US5555631A (en) * 1995-01-17 1996-09-17 Houston; Daniel J. Ellipse Scribe
CN105034654A (en) * 2015-07-11 2015-11-11 陈有添 Elliptic trammels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5058282A (en) * 1991-04-08 1991-10-22 Coll Albert G Ellipsograph
US5555631A (en) * 1995-01-17 1996-09-17 Houston; Daniel J. Ellipse Scribe
CN105034654A (en) * 2015-07-11 2015-11-11 陈有添 Elliptic trammels

Similar Documents

Publication Publication Date Title
GB170206A (en) An improved mathematical instrument for drawing ellipses
ES35346U (en) Reading device in measuring devices (Machine-translation by Google Translate, not legally binding)
ES216549A1 (en) A method to stabilize rubber against cracking (Machine-translation by Google Translate, not legally binding)
ES218610A1 (en) A new procedure and decantation device (Machine-translation by Google Translate, not legally binding)
GB168344A (en) Improvements in devices for ruling parallel lines
CA219256A (en) Pencil pointer
Stanford et al. At the abbey gate. Poem by CJ Darling, set to music for baritone solo (or male chorus) chorus and orchestra. Op. 177.
ES217943A1 (en) A device for regularizing and orienting the spill of a fluid (Machine-translation by Google Translate, not legally binding)
Bock An individualized reading program for tenth-year pupils of timken vocational high school
CA216468A (en) Computing scale
CA221680A (en) Computing scale
CA221684A (en) Computing scale
CA215287A (en) Adjustable gas plate
ES11928U (en) Secafirmas perfected. (Machine-translation by Google Translate, not legally binding)
CA218536A (en) Regulating device for fuel pumps
ES3911U (en) Apparatus for the teaching of writing to machine. (Machine-translation by Google Translate, not legally binding)
CA224141A (en) Blotting device
ES209360A1 (en) A procedure for obtaining a trifluorchloroethylene coplimer (Machine-translation by Google Translate, not legally binding)
ES38934U (en) A gas shut-off device (Machine-translation by Google Translate, not legally binding)
CA219958A (en) Note sheet for musical instruments
ES15730U (en) Buckle model. (Machine-translation by Google Translate, not legally binding)
CA216077A (en) Gas producer device
CA219054A (en) Clip for pens
ES229801A1 (en) A procedure for the preparation of improved compositions of sulfonamides (Machine-translation by Google Translate, not legally binding)
CA215547A (en) Governor for gas producers