The Ithaca Calendar clock Company was formed in 1865 to manufacture clocks with calendar mechanisms. It was located in Ithaca, New York. Henry B. Horton applied for and was granted a patent on April 18, 1865. This patent was improved several times over its life span. This clock venture ended its operations due to bankruptcy on March 14, 1917.
102 Adams St Ithaca
104 Adams St Ithaca