1972 Grumbacher Color Computer Color Wheel falling house Lifting the hinged lid reveals

Lifting the hinged lid reveals that it was the creation of A

as well as "slating paint" that extended the life of classroom slates

Clearly tons of love was put into this

There is also one rough spot on reverse side

1972 Grumbacher Color Computer Color Wheel falling house Lifting the hinged lid revealsI love all things having to do with color and color theory, so had to grab this very 1970s Grumbacher "Color Computer" when I came across it at the PaperTown show last week. Color mixing on one side and color harmonies on the other, with turning dials to cycle through the whole spectrum. Once the property of a Gerri McCrary Morgan, who wrote her name on both sides 9 3 8" in diameter. Good overall used condition, with a few light stains and a few clear