Compass having a squat tip

Geometrical instruments – Scriber – Curved line

Patent

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Details

G01B 316

Patent

active

055466630

ABSTRACT:
FIG. 1 shows a drawing instrument which is in chain dotted lines except for a lower portion of one leg of the instrument. The leg is formed generally of plastics and has a metal end piece provided with a non-needle-like or squat conical tip or point which extends from a circular base.

REFERENCES:
patent: 473244 (1892-04-01), Smith
patent: 662291 (1900-11-01), Nye
patent: 719381 (1903-01-01), Seymour
patent: 2809437 (1957-10-01), Kuzma
patent: 5090127 (1992-02-01), Shapiro et al.

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