12 3 4 5 678 9 10 11 12 … This set of forms oiTil)racos the common surfncos and solids wliich arcfound in elementary geometry, together with a simi)le illustration of an-gles. As shown in the aliove cut, there are twenty-three solids, seventeensurfaces and three angles, the latter being represented by bent wires.The solids…
Kindergarten -- Equipment and supplies · Schools -- Equipment and supplies · Color · Trade catalogs -- Schools -- Equipment and supplies
Internet Archive · Winterthur Library · Public Domain Mark 1.0. Free to use for anything.
