FR523029A - Devices for dividing circumferences and angles - Google Patents

Devices for dividing circumferences and angles

Info

Publication number
FR523029A
FR523029A FR523029A FR523029DA FR523029A FR 523029 A FR523029 A FR 523029A FR 523029 A FR523029 A FR 523029A FR 523029D A FR523029D A FR 523029DA FR 523029 A FR523029 A FR 523029A
Authority
FR
France
Prior art keywords
angles
devices
circumferences
dividing
dividing circumferences
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
FR523029A
Other languages
French (fr)
Inventor
Emile-Francois Lasne
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.)
EMILE FRANCOIS LASNE
Original Assignee
EMILE FRANCOIS LASNE
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 EMILE FRANCOIS LASNE filed Critical EMILE FRANCOIS LASNE
Application granted granted Critical
Publication of FR523029A publication Critical patent/FR523029A/en
Expired legal-status Critical Current

Links

FR523029A 1919-08-19 1919-08-19 Devices for dividing circumferences and angles Expired FR523029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR523029T 1919-08-19

Publications (1)

Publication Number Publication Date
FR523029A true FR523029A (en) 1921-08-11

Family

ID=8918326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR523029A Expired FR523029A (en) 1919-08-19 1919-08-19 Devices for dividing circumferences and angles

Country Status (1)

Country Link
FR (1) FR523029A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777206A (en) * 1953-10-09 1957-01-15 Perry W Sparrow Distance measuring device
US2878566A (en) * 1957-06-21 1959-03-24 Arthur J Mellen Arc-measuring instrument
US2996803A (en) * 1958-10-31 1961-08-22 Saltz Fred Mathematical instrument

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777206A (en) * 1953-10-09 1957-01-15 Perry W Sparrow Distance measuring device
US2878566A (en) * 1957-06-21 1959-03-24 Arthur J Mellen Arc-measuring instrument
US2996803A (en) * 1958-10-31 1961-08-22 Saltz Fred Mathematical instrument

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