The ninth occupation, peas and cork work, in primary schools
A teacher's manual by J. H. Shults on the Froebelian "ninth occupation" — building models from dried peas and sticks — published in Manistee, Michigan, in 1904 for primary-school and kindergarten instructors. The line drawings show stick-and-node figures, from flat squares, triangles and letters to cubes, hexagonal prisms, tables, chairs and branching trees, all rendered as thin double-ruled rods joined by small spheres, useful as diagrammatic lattices, wireframe geometry and node-link motifs.
