JPS51130251A - Triangular rule - Google Patents

Triangular rule

Info

Publication number
JPS51130251A
JPS51130251A JP5442675A JP5442675A JPS51130251A JP S51130251 A JPS51130251 A JP S51130251A JP 5442675 A JP5442675 A JP 5442675A JP 5442675 A JP5442675 A JP 5442675A JP S51130251 A JPS51130251 A JP S51130251A
Authority
JP
Japan
Prior art keywords
rule
cursor
triangular rule
triangular
freely
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.)
Pending
Application number
JP5442675A
Other languages
Japanese (ja)
Inventor
Hideji Toyomura
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 JP5442675A priority Critical patent/JPS51130251A/en
Publication of JPS51130251A publication Critical patent/JPS51130251A/en
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)

Abstract

PURPOSE: The apparatus is consisted of the first rule with a protoractor which is supported freely with an axis, the second rule with a cursor and the angluar indicator and the third rule with a cursor which is sliding freely. The each side length of a triangle at point of intersection are measured directly.
COPYRIGHT: (C)1976,JPO&Japio
JP5442675A 1975-05-06 1975-05-06 Triangular rule Pending JPS51130251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5442675A JPS51130251A (en) 1975-05-06 1975-05-06 Triangular rule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5442675A JPS51130251A (en) 1975-05-06 1975-05-06 Triangular rule

Publications (1)

Publication Number Publication Date
JPS51130251A true JPS51130251A (en) 1976-11-12

Family

ID=12970380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5442675A Pending JPS51130251A (en) 1975-05-06 1975-05-06 Triangular rule

Country Status (1)

Country Link
JP (1) JPS51130251A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204301A (en) * 1982-05-24 1983-11-29 Tadayoshi Takeuchi Inking scale of lancing for bracing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58204301A (en) * 1982-05-24 1983-11-29 Tadayoshi Takeuchi Inking scale of lancing for bracing

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