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The card verso describes a $50,000 challenge to the public to improve on the Engle which is an apostolic, musical and astronomical clock. The Engle is on exhibit in principal cities of the United States.
business (commercial function)
1 announcement ; 5 1/4 x 3 inches
5 1/4 x 3 (HxW)(inches)
Purchased from Greg Smart, 2000.
Hazelton Mills (McKean county, Pennsylvania)