G - Physics – 10 – F
Patent
G - Physics
10
F
46/124, 35/37
G10F 1/06 (2006.01) G09B 19/02 (2006.01)
Patent
CA 1258369
MUSIC BOX WITH INSTRUCTIONAL DATA TABLES Abstract of the Invention In one embodiment, the musical box includes a box-like support structure and a music device disposed in the interior of the structure. A plurality of flexible continuous webs are sized to wrap around the outside of the structure. Each web has, along its outside surface, indicia representative of a particular mathematical data table, such as a multiplication table. One column of the table indicates the mathematical resultant of the remaining laterally displayed data. The resultant is disposed proximate a side of the support structure. A controllably movable strip or continuous web has a window and the window is sized to reveal one mathematical resultant. This continuous windowed web is driven by a gear and knob actuator.
561963
Du Jour Nadal
Fetherstonhaugh & Co.
LandOfFree
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