"Erie Canal Aqueduct, Rochester, N. Y."
Postmarked 1913
Souvenir Post Card Co., New York and Berlin
Number: 2458
Printed in Germany

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"Weighlocks on Erie Canal, Rochester, N. Y."
Postmarked 1911
The Leighton and Valentine Co., N.Y. City
Number: 214976
Printed in United States

Each boat paid a toll based on the weight carried. This weighlock calculated the weight of cargo.