GB189400113A - Improved Harmonic Apparatus for the Drawing, Cutting, or Marking of Mathematical Figures. - Google Patents

Improved Harmonic Apparatus for the Drawing, Cutting, or Marking of Mathematical Figures.

Info

Publication number
GB189400113A
GB189400113A GB189400113DA GB189400113A GB 189400113 A GB189400113 A GB 189400113A GB 189400113D A GB189400113D A GB 189400113DA GB 189400113 A GB189400113 A GB 189400113A
Authority
GB
United Kingdom
Prior art keywords
marking
cutting
improved harmonic
mathematical figures
mathematical
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
Inventor
Henry Harrer
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
Application granted granted Critical
Publication of GB189400113A publication Critical patent/GB189400113A/en
Expired legal-status Critical Current

Links

GB189400113D 1894-01-02 1894-01-02 Improved Harmonic Apparatus for the Drawing, Cutting, or Marking of Mathematical Figures. Expired GB189400113A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189400113T 1894-01-02

Publications (1)

Publication Number Publication Date
GB189400113A true GB189400113A (en) 1894-12-08

Family

ID=32122070

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189400113D Expired GB189400113A (en) 1894-01-02 1894-01-02 Improved Harmonic Apparatus for the Drawing, Cutting, or Marking of Mathematical Figures.

Country Status (1)

Country Link
GB (1) GB189400113A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477203A (en) * 1945-05-08 1949-07-26 Rabinowitz Nathan Ellipsograph

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2477203A (en) * 1945-05-08 1949-07-26 Rabinowitz Nathan Ellipsograph

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