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GB133418A - - Google Patents

Info

Publication number
GB133418A
GB133418A GB133418DA GB133418A GB 133418 A GB133418 A GB 133418A GB 133418D A GB133418D A GB 133418DA GB 133418 A GB133418 A GB 133418A
Authority
GB
United Kingdom
Prior art keywords
bar
point
adjustable
harma
botl
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.)
Active
Application number
Publication of GB133418A publication Critical patent/GB133418A/en
Active legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L9/00Circular curve-drawing or like instruments
    • B43L9/02Compasses
    • B43L9/04Beam compasses

Landscapes

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

Abstract

133,418. Harma, E. Oct. 5, 1918. Protractors; beam compasses.- A combination tool comprises a bar A, preferably graduated on botl sides, and provided with a longitudinal slot a, a pointed member B adjustable along the bar A and provided with one or more slots b for vertical adjustment, and a slotted member C embracing the bar A and adjustable vertically, horizontally and angularly with respect to the bar A and clamped thereto by a screw G and clamping plates g. The member C is provided with a removable point D or a holder for a pen or pencil and with a fixed point E and longitudinally adjustable point F. The bar A is provided with a point A<1> bifurcated to embrace the rounded end of the bar A and secured in adjusted position by a U-shaped peg or other means passed through the holes a<2>, a<1>. A protractor H may be slidably mounted on the bar A.
GB133418D Active GB133418A (en)

Publications (1)

Publication Number Publication Date
GB133418A true GB133418A (en)

Family

ID=1726836

Family Applications (1)

Application Number Title Priority Date Filing Date
GB133418D Active GB133418A (en)

Country Status (1)

Country Link
GB (1) GB133418A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325798A (en) * 1992-12-22 1994-07-05 Nowell Brian W Planting spacer and planting depth defining device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325798A (en) * 1992-12-22 1994-07-05 Nowell Brian W Planting spacer and planting depth defining device

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