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ES13901A1 - An instrument entitled Duplicate Triangle to make, without writing numbers, the proportions. - Google Patents

An instrument entitled Duplicate Triangle to make, without writing numbers, the proportions.

Info

Publication number
ES13901A1
ES13901A1 ES13901A ES13901A ES13901A1 ES 13901 A1 ES13901 A1 ES 13901A1 ES 13901 A ES13901 A ES 13901A ES 13901 A ES13901 A ES 13901A ES 13901 A1 ES13901 A1 ES 13901A1
Authority
ES
Spain
Prior art keywords
duplicate
proportions
triangle
make
writing numbers
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
ES13901A
Other languages
Spanish (es)
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
Priority to ES13901A priority Critical patent/ES13901A1/en
Publication of ES13901A1 publication Critical patent/ES13901A1/en
Expired legal-status Critical Current

Links

ES13901A 1892-10-25 1892-10-25 An instrument entitled Duplicate Triangle to make, without writing numbers, the proportions. Expired ES13901A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES13901A ES13901A1 (en) 1892-10-25 1892-10-25 An instrument entitled Duplicate Triangle to make, without writing numbers, the proportions.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES13901A ES13901A1 (en) 1892-10-25 1892-10-25 An instrument entitled Duplicate Triangle to make, without writing numbers, the proportions.

Publications (1)

Publication Number Publication Date
ES13901A1 true ES13901A1 (en) 1892-12-16

Family

ID=64159044

Family Applications (1)

Application Number Title Priority Date Filing Date
ES13901A Expired ES13901A1 (en) 1892-10-25 1892-10-25 An instrument entitled Duplicate Triangle to make, without writing numbers, the proportions.

Country Status (1)

Country Link
ES (1) ES13901A1 (en)

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