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The coat of arms designed for the Catala Club and Santa Clara Unversity.

“Monstra te esse Matrem” - Be to us a Mother

This is one of two columns located in the so-called "Piazzetta" of San Marco. It depicts a winged lion, the evangelical symbol of Venice's patron saint, Mark. The sculpture itself was fashioned in the 4th - 3rd century B.C.E. but was renamed St.…

Rotating device to use to calculate interest.

Rotating device used to calculate interest.

Illustrated flash card used to practice multiplication tables; this one has image of dancing slave and rhyme "The British slaves/ are now all free;/nine times seven are/..... ....."

A game played to learn multiplication tables

Rotary dial used to solve simple multiplication problems. In each tiny circular window that appear as a spiraled series, the product of the two aligned numbers around the outside of dial appear.