Elementary plane geometry : inductive and deductive / by Alfred Baker (1903)
Baker, Alfred, 1848-1942 · Toronto : Gage · leaf 77
with-out marking their centres byplacing a piece of thin woodor cardboard under the station-ary point of the compasses, removing this piece of woodor cardboard when the circle is described. Circles being thus described, or being obtained bymarking with the pencil about a round object placedon the… … 74 Geometry.
Geometry, Plane
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