Artifact Details

Title

Probability demonstration board

Catalog Number

X1078.91

Type

Physical object

Identifying Numbers

Other number S95 S95 written on paper label taped to back of object
Other number S95 on masking tape attached to handle

Dimensions

17 3/4 x 30 1/2 x 6 in.

Description

Two paper charts are held in a frame behind rows of wires on which movable beads are strung. The charts are printed or hand-ruled to illustrate probability concepts. Tabs at the top of the unit allow the charts to be exchanged. One chart is blank on one side; the other is printed on both sides.. There is a paper label attached to the back of the object with masking tape. The label is printed with the legend, "In or add to S list," and has the additional handwritten notation, "S95."

Category

Pre-computer/other

Credit

Gift of Family of Donald G. McBrien

Lot Number

X1078.91