GB189822740A - A New and Improved Combined Centrolinead and T Square for Architects, Artists, Draughtsmen, and Others. - Google Patents

A New and Improved Combined Centrolinead and T Square for Architects, Artists, Draughtsmen, and Others.

Info

Publication number
GB189822740A
GB189822740A GB189822740DA GB189822740A GB 189822740 A GB189822740 A GB 189822740A GB 189822740D A GB189822740D A GB 189822740DA GB 189822740 A GB189822740 A GB 189822740A
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GB
United Kingdom
Prior art keywords
square
centrolinead
draughtsmen
architects
artists
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
Benjamin Hibbert
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 GB189822740A publication Critical patent/GB189822740A/en
Expired legal-status Critical Current

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Abstract

22,740. Hibbert, B. Oct. 29. Centrolineads; squares.-A straight-edge a is carried upon a guide C to which is hinged a pair of arms D, D connected by equal links F, F with a nut E sliding on the guide C. Fixed and adjustable stops on the guide secure the arms at any required angle or in a straight line, in the latter case the instrument being used as a T-square. Guiding- points M, M are fixed to two hinged pieces N, N attached to the board by drawing-pins and shaped so as to take a firm bearing against its edge.
GB189822740D 1898-10-29 1898-10-29 A New and Improved Combined Centrolinead and T Square for Architects, Artists, Draughtsmen, and Others. Expired GB189822740A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189822740T 1898-10-29

Publications (1)

Publication Number Publication Date
GB189822740A true GB189822740A (en) 1899-10-14

Family

ID=32616619

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189822740D Expired GB189822740A (en) 1898-10-29 1898-10-29 A New and Improved Combined Centrolinead and T Square for Architects, Artists, Draughtsmen, and Others.

Country Status (1)

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GB (1) GB189822740A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714253A (en) * 1952-03-31 1955-08-02 Irving S Stone Perspective drafting machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714253A (en) * 1952-03-31 1955-08-02 Irving S Stone Perspective drafting machine

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